2. The Lewis structure of C 3 H 4 is as follows. SBS Inkigayo Live Premiere - Scheduled Time of Broadcast: 3:50 PM, Sunday, March 5, 2023 (KST) - Check-in . the enzyme Which of the following is generally defined as a substance composed of molecules in which two or more nonmetallic elements are joined? table sugar, or sucrose (C12H22O11) Polar covalent bonds involve the transfer of electrons from electropositive atoms to electronegative atoms. What type of bond is formed between the oxygen atom of one water molecule and the hydrogen atom of another water molecule? small atoms with 6 or 7 valence shell electrons, such as oxygen, nitrogen, and chlorine, are electron-hungry. Which of the following is not a subatomic particle? is based on the concentration of hydrogen ions in a solution, is based on the concentration of hydrogen ions in a solution, When an acid is added to a solution containing a weak base, the weak base will buffer the drop in pH by completely dissociating and accepting all of the hydrogen ions released from the acid. Human A&P 1 Mastering HW Set 3: Biochemistry, Mastering A&P Chapter 3 - Cells: The Living U, Mastering A&P Chapter 2 - Chemistry Comes Ali, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown, Chapter 35 - 40 review questions (EMT Exam 12), Birth to 5 Midterm Exam Study Guide Unit 1. Sugar dissolves in hot water. A. Binary compound B. Ionic compound C. Molecular compound D. Which nonmetals could form an magnesium ionic compound with the form MgX2 (where X represents the nonmetal). C) It is the energy of black holes. The gray matter is responsible for your thinking. 2. The left reaction is exergonic, and the right reaction is endergonic. D) cars driving on unpaved roads For example, when you put ice into a glass of water and leave it out at room temperature, the ice and water will eventually come to the same temperature. A) NH_3 B) H_2O C) CaO D) H_2. |Score 1| Janet17 |Points 46337|. E) gravitational lensing by clusters of galaxies, 1) Which of the following best summarizes what we mean by dark matter? At this extremely low temperature, molecular motion comes very close to stopping. They are so excited that they jump an energy level and, in doing so, give off light. (a) Form; Contents. What kind of elements will form an ionic compound? (Comparison of activation energy with and without an enzyme.) What is the difference between kinetic and potential energy? All amino acids, such as the four represented in the figure, contain __________. What are compounds composed of? Which halogen can only be prepared from its fused compounds? Which element forms the most acidic oxide? Original conversation. 12) Based on current evidence, a supercluster is most likely to have formed in regions of space where two oxygen atoms. Classify the following as elemental substances or compounds: Sulfur. The four electrons contributed by the hydrogen atoms will fill the valence shell of carbon. Createyouraccount. exergonic; endergonic Both reactions are exergonic. When exposed to external stress, solids tend to keep their shape. D) The actual density of matter is many times higher than the critical density. Hydrogen So we've created the antidote. Which of the following is not considered a form of matter? Both letters pointed out that chemical abortions are riskier than first-trimester surgical abortions, with the most recent letter citing a recent study by the American College of Obstetrics and Gynecologists (ACOG), which found that chemical abortions were 5.96 times as likely to have complications as aspiration abortions. Describe how an understanding of interconnectedness in ecosystems might help a health official determine how much money to allocate for the treatment of people with Lyme disease. four a sodium ion a colloid C) the overall shape of the observable universe. (a) MgCl_2 (b) CaCO_3 (c) Na_2Cl. alkaline solution "Our experiments provide the kind of evidence for the interplay between critical fluctuations and glassy arrest that the scientific community has been after for quite some time," senior author of the study and Professor of Soft Condensed Matter Theory at the University of Konstanz Matthias Fuchs, said in a statement (opens in new tab). Which of the following statements is true regarding the reaction without an enzyme compared to the one with an enzyme? Determine whether the following compound is a covalent compound or not: NH_3. Physical The chloride ion (Cl) indicated by the arrow is interacting most closely with which of the following? They would all be likely to form positive ions. Elements C. Light D. Compounds. 1. 3) Why do we believe 90 percent of the mass of the Milky Way is in the form of dark matter? 18 two nitrogen atoms Based on current understanding, how would that affect the universe at that time? "Moving forward from this experience, the District is working closely with counselors, mental health experts and multiple community partners and agencies to provide support to children and staff . c. Purines pair with purines, and pyrimidines pair with pyrimidines. The body of water with the higher concentration of electrolytes, in this case the human body, is the better conductor of electrical currents. D) The overall shape of the cluster is that of a lens. For this to be the case, which of the following would have to be true (based on current understanding)? There's even a strange type of matter, known as a chain-melted state, that stably exists as both a solid and liquid at once. In a gas, the particles have a great deal of space between them and have high kinetic energy. Yes, because the oxygen would not bond equally to the two hydrogen atoms. a. hydrogen gas b. sodium chloride (table salt) c. glucose d. neon e. copper sulfate f. titanium, Which pair of elements is most likely to form an ionic compound? Which compounds, NaH, PH3, CH4, IBr3 are ionic compounds? Correct option is B) The matter is affected by the inertia. Most famously, black holes were predicted by Einstein's theory of general relativity, which showed that when a massive star dies, it leaves behind a small, dense remnant core. 9) If WIMPs really exist and make up most of the dark matter in galaxies, which of the following is not one of their characteristics? 7) Why does the temperature of the gas between galaxies in galaxy clusters tell us about the mass of the cluster? the formation of chemical bonds between the reactants Which of the following statement is not true regarding the characteristic of matter? 2. 24) What do we mean when we say that a particle is a weakly interacting particle? User: All of the following are forms of energy a living organism can use except: Weegy: All of the following are forms of energy a living organism can use except nuclear. False What explains the partial negative charge on the oxygen atom within the water molecule? two triple bonds carbon dioxide. Which of the following compounds contains an ionic bond? When two states of matter, such as solid and liquid, are at the equilibrium temperature and pressure, additional heat added into the system will not cause the overall temperature of the substance to increase until the entire sample reaches the same physical state, according to Encyclopaedia Britannica (opens in new tab). Sucrose is a molecule that dissolves in water but does not release ions, which are required for a solution to conduct electricity. B) Dark matter consists 90% of neutrinos and 10% of WIMPs. two single bonds 4. Which of the following statements is true regarding the reactions shown? for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 10-4 millimeters. another chloride ion Whether due to sweating bullets in a hot yoga class or spending a day basking in the summer sun, dehydration is something we all experience from time to time. 1.Nonpolar molecules have partial charges which can lead to hydrogen bonding. Step 2: Subpart (a) Lewis's structure of C3H4 In the given molecule, there are 3 carbon atoms and 4 hydrogen atoms, so the ring will be three-membered having a double bond in the ring. oxidase has a low heat capacity The enzyme's active site binds to the substrate(s) on which it acts, temporarily forming an enzyme-substrate complex. All rights reserved. We want you to be operating at 100% capacity, which means that you need to rest. The difference is the amount of energy input (activation energy) required to initiate the reactions depending on the presence or absence of enzyme. Question: Which of the following is not an example of matter? In the first experiment to demonstrate this oddball phase, described in a 2003 study in the journal Physical Review Letters (opens in new tab), scientists at JILA in Boulder, Colorado cooled a cloud of half a million potassium-40 atoms to less than a millionth of a degree above absolute zero, then applied a magnetic field to them. Matter is a general term describing any 'physical substance'. Please read the notice below before participating in the event. 3. Copper metal turns green on exposure to air and water. A) the density of dark matter was slightly higher than average when the universe was very young. C) Yes, and that is why clusters tend to grow in size with time. Use code SAVE50 or SAVE50P (for payment plans) E) all of the above. I. Ionic The reaction is called a dehydration synthesis, in which the H from the glycerol's alcohol group and the OH from the fatty acid's acid group are removed as water. It also brought forth a lot of questions since. 3. express each number in an alternate form. Which of these compounds is most likely to be ionic? A) brown dwarfs Types of things that are not considered matter include any type of energy, and abstract concepts. one single bond and one double bond. II. Show the details of your work. Oxygen Which of the following is not a form of electromagnetic radiation? Actually, not so much. It will take the shape of its container. a.) MgSO4 + 2NaCl MgCl2 + Na2SO4 ionic Throughout my career my roles have always centred around people and processes. Several pieces of graphite from a mechanical pencil are (a) broken into tiny pieces. 2. (A) SrCl2 (B) COCl2 (C) N2O (D) Kr, Which of the following chemical species is a cation? Objective: To test the hypothesis that brain network architecture constrains cross-sectional and longitudinal grey matter alterations across different stages of psychotic illness and to identify whether certain brain regions act as putative epicentres from which volume loss spreads. Much like solids, liquids (most of which have a lower density than solids) are incredibly difficult to compress. E) Big Bang nucleosynthesis constrains how many neutrinos there are in the Universe. hyperbolic Save 50% on any of our courses through March 31st, 2023! A) measuring the speeds of galaxies orbiting the cluster's center B. Which of the following elements is found in all organic compounds? Please read the details below on how to participate and we look forward to your participation. Lipids used as energy reserves in the body are stored as molecules of phospholipids. They all have an incomplete valence electron shell. oxidation; reduction Which of the following are ionic compounds? This is why chemical reactions (with or without enzyme) occur faster at higher temperatures. B) matter that may inhabit dark areas of the cosmos where we see nothing at all Which of the following is a FALSE statement about carbohydrates? Which of the following is NOT considered a form of matter? 11) Which of the following statements about large-scale structure is probably not true? a buffer 4. Describe the compounds that form between nonmetals. all of the above. C) There is no longer any doubt that dark matter is made mostly of WIMPs. Carbon, Hydrogen, Oxygen, Nitrogen (CHON). 11) Which of the following statements best summarizes current evidence concerning dark matter in individual galaxies and in clusters of galaxies? Thankfully, they'll all miss. Solid matter is composed of tightly packed particles. Sodium has one valence electron, while chlorine has seven. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Matter can exist in one of three main states: solid, liquid, or gas. hydrochloric acid (HCl) substrates 8) How does gravitational lensing tell us about the mass of a galaxy cluster? Murdaugh Murders Podcast co-hosts Mandy Matney, Liz Farrell and everyone's favorite attorney Eric Bland take a hard look at Dick and Jim's last-minute attempt to stop a blood spatter expert from testifying against Alex Murdaugh this week. A) It interacts only through the weak force. H2 + O H2O b.) Unlike BECs, they are made up of fermions, a type of matter that includes protons, neutrons and electrons with odd atomic numbers. So, from this, we can conclude that the: Heat is NOT an example of matter. 1. a) The nonmetals are located in the upper left corner. In addition, water has a high heat capacity and is considered a universal solvent since it dissolves more substances than any other known solvent. A) No, because the universe is not old enough yet for these objects to have begun their expansion. 1. A) Stars would cease to exist when the dark matter is gone. 1. c) Ammonia(NH3). 2. A. Therefore, option (C) is incorrect. B) The hot gas shows up as bright pink in visible-light photos of galaxy clusters. 3. The chemical composition of carbohydrates includes two oxygens and one hydrogen for every carbon present. Identify the spectator ions in the neutralization of lithium hydroxide, LiOH, with hydrobromic acid, HBr. Become a Study.com member to unlock this answer! It then emits flames and smoke. Is the name of the first element in the compound different from the element? Multiple Choice o air light from a candle wax the propellant in an aerosol can a stain on clothing. A) B, B) Tl, C) Al, D) In, E) Ga. What is the formula for an ionic compound that contains the elements magnesium and chlorine? C) They can neither emit nor absorb light. It does not have mass and volume. C) measurements of how galaxy speeds away from the Milky Way have increased during the past century Many play vital roles in cell function. And removing energy from liquid water causes it to become ice (a solid). Polar covalent bonds involve the transfer of electrons from electropositive atoms to electronegative atoms. A BEC also has many of the properties of a superfluid, or a fluid that flows without friction. II < I < III There are no longer thousands of separate atoms, just one "super atom.". a. H2O b. HCl c. N2 d. NH3 e. CaCl2, Which of the following is an ionic compound? 2 Chemically, the triphosphate tail of ATP can be compared to a tightly coiled spring ready to uncoil with tremendous energy when the catch is released. Which element forms the most compounds? The substrate absorbs chemical energy from the enzyme after binding to its active site. blood c.) X rays d.) bone c.) X rays Which of the following is an example of a decomposition reaction? What is not a example of matter? a. Li b. CO c. Cf d. CF4, Which of the following represent elements and which represent compounds? 14) Which of the following best sums up current scientific thinking about the nature of dark matter? Since there is almost no kinetic energy being transferred from one atom to another, the atoms begin to clump together. The long-term stability of triglycerides makes them important energy storage molecules. CH4 a. I and II b. II and III c. II and IV d. II, III and IV e. II only, Which pair of elements cannot combine to form a chemical compound? True H2 + O2 H2O protein No, because there would no longer be a difference in electronegativity between the oxygen and hydrogen atoms. 4. B) black holes are much more interesting than ordinary stars that give off light. You Can Be Yourself. 4. Physical, Polymerizes to form polyethylene. Which of the following statements about the polarity of covalent bonds is correct? a suspension This is true. a structural variation in which different atoms of the same element have different numbers of neutrons. Biology, 21.06.2019 20:00. "Matter" is the singular form, and "matters" is the plural: One matter has been dealt with. Fiverr. D) faint red stars 3. D) gravitational lensing around galaxy clusters D) It is a type of energy that is associated with the "dark side" of The Force that rules the cosmos. e) All of these are molecular compounds. Which of the following is an example of a decomposition reaction? My responsibilities . Energy "lost" during an energy conversion refers to the energy that cannot be used to do work D) They tend to orbit at large distances from the galactic center. 3.Gases- In this state, the distances between the molecules are large and the intermolecular forces are negligible. polar covalent. The substrate is a reactant in an enzyme-catalyzed reaction. Example water. If unconfined, the particles of a gas will spread out indefinitely; if confined, the gas will expand to fill its container. a solution Objects that have mass and are matter may emit energy. Which of the following are meso compounds? RNA carries out the orders for protein synthesis issued by DNA. The liquid propane in a barbecue ignites upon contact with a spark. D) Newton's universal law of gravitation predicts how mass can distort light, so we can apply Newton's law to determine the mass of the cluster. B) rotation curves of disk galaxies (a) Particles of a matter are randomly moving in all directions. Because of its polar nature, water is able to form hydrogen bonds. B) power generation. A diagram of the position and orientation of ellipsoidal particles in clusters of a liquid glass. True 2. Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter. Answers: 2 Show answers Another question on Biology. The chemical composition of carbohydrates includes two oxygens and one hydrogen for every carbon present. A) The lensing allows us to determine the orbital speeds of galaxies in the cluster, so that we can determine the mass of the cluster from the orbital velocity law. Define the following: atom, element, and compound. buffer. monosaccharide A) Most dark matter probably consists of weakly interacting particles of a type that we have not yet identified. What is the primary energy-transferring molecule in cells? ionic bond. Hydrogen bonding between certain amine and carboxyl groups creates alpha helices and beta-pleated sheets. What form of matter is made from only one type of atom a. element b. material c. compound d. molecule. If the core's mass is more than about three times the mass of the Sun, the equations showed, the force of gravity overwhelms all other forces and produces a black hole. energy storage I < III < II A judgment or order shall not contain a recital of the pleadings or the record of prior proceedings. The matter is the substance that has mass and occupies space. 3. Which of the following is NOT a compound? Classify the following as either compounds or elements: a. copper b. salt c. water. All of the listed responses are true. D) Neutrinos travel at extremely high speeds and can escape a galaxy's gravitational pull. Stars like the sun are essentially superheated balls of plasma. Four of these occur naturally, while others are only made fleetingly in the lab, under extreme conditions. This article was updated on Oct. 20, 2022 by Tia Ghose. a. MnS b. MnBr2 c. Mn2O3 d. MnO, Which of the following cations is likely to be hydrated in compounds? 4. Matter: The matter is the substance that has mass and occupies space. Visit our corporate site (opens in new tab). D) telescope lenses are distorted by gravity. C) We can observe the frictional effects of the hot gas in slowing the speeds of galaxies in the clusters. Which of the following compounds is an ionic compound? You don't have to put on a fake, professional face. Atomic weight is determined by the number of electrons in an atom of a given element. Energy is defined as the capacity to do work, or to put matter into motion. Basically, any type of energy or any abstract concept is an example of something that is not matter. A. Which of the following is NOT a difference between a compound and a mixture? Which of the following pairs of elements will not form ionic compounds? Atomic weight is equal to the number of protons and neutrons in the nucleus. B. What is the common ending for the nonmetal portion of the name? Autopsy series suggest a 7%-22% incidence, but clinical recognition is poor. the kinetic energy of the reactants The matters are formed/build by atoms. bonding of amine group to amine group hydrogen In a liquid, the particles are more loosely packed than in a solid and are able to flow around each other, giving the liquid an indefinite shape. InstagramTeen Mom star Jenelle Evans took a break from parenting to post a quick selfie on Instagram[/caption] Instagram/ j_evans1219The mother-of-three wore tight gym clothes in preparation for a . They all have the same number of protons in their nuclei. 'Building blocks of life' recovered from asteroid Ryugu are older than the solar system itself, Alien-like giant phantom jellyfish spotted in frigid waters off Antarctica, Haunting 'mermaid' mummy discovered in Japan is even weirder than scientists expected, Painful 'cross-shaped incision' in medieval woman's skull didn't kill her, but second surgery did, Human brain looks years 'older' after just one night without sleep, small study shows, The ultimate action-packed science and technology magazine bursting with exciting information about the universe, Subscribe today and save an extra 5% with checkout code 'LOVE5', Engaging articles, amazing illustrations & exclusive interviews, Issues delivered straight to your door or device. a. NO2 b. PCl5 c. ICl. For example, adding thermal energy (heat) to liquid water causes it to become steam or vapor (a gas). 5) What evidence suggests that the Milky Way contains dark matter? Why? substrate Which of the following compounds would not exist? B. C) It bends or distorts the light coming from galaxies located behind it. one potassium atom and one fluorine atom Which of the binary compounds formed by the following pairs of elements are considered ionic compounds? This may occur either when the temperature of the sample is rapidly increased beyond the boiling point (flash vaporization) or when a substance is "freeze-dried" by cooling it under vacuum conditions so that the water in the substance undergoes sublimation and is removed from the sample, according to the U.S. Geological Survey (opens in new tab). 3. a) Carbon dioxide. What holds the sodium and chloride ions together in a chemical bond? Example O 2. Name each of the below as an atomic element, a molecular element, or a compound. The states of matter are solid, liquid, gas, or plasma. The reaction in the presence of enzyme releases more energy. The reactivity of an atom is based on the number of electrons in its outer valance shell. The swimmer's body contains a higher concentration of electrolytes (salts) compared to the freshwater lake Both reactions are endergonic. They are all generally unreactive elements. The biosphere refers to the total of all ecosystems of the Earth. NASA warns of 3 skyscraper-sized asteroids headed toward Earth this week. (a) Nitrogen (b) Oxygen (c) Carbon (d) Phosphorus. one Covalent Which response provides the best explanation as to why ionic compounds easily dissociate in water? What type of chemical bond is most likely to occur between sodium and chlorine? Solids have a definite shape, as well as mass and volume, and do not conform to the shape of the container in which they are placed. the sharing of a pair of electrons, an electirical attraction between opposite charges. "Abortion pills carry the added risk that when these heightened . Hence, microwaves cannot be considered as matter. Which of the following is not a form of matter? Fermionic condensates are another type of lab-made matter. Fermions normally like to be alone, but to create this matter phase, scientists have to coax them to pair up. Which of the following statements is true concerning the characteristics of either compounds or mixtures? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. the blood becoming too acidic. All matter has the same propertiesc. 1) Which of the following best summarizes what we mean by dark matter? Writing isn't wam, bam, and done - it's a process like any other. 1) C6H5SH 2) S2Cl2 3) SiO2 4) ZnBr2 5) C3H5OH, Which of the following compounds corresponds to the spectrum shown here? Because fibrous proteins are the chief building materials of the body, they are also known as structural proteins. for example, rusting, rotting, combustion, etc. B) the structure of any individual cluster of galaxies. 2) Which of the following best summarizes what we mean by dark energy? a) C and Fe. The patient did not experience tingling, numbness, or pain during the injection, which clinically rules out intraneural injection, and there were no signs of nerve damage intraoperatively and a full neurologic function had been regained, so it is believed that the cause of acute CTS in this case was injection into the nerve sheath. 2. There are many definitions. An illustration of the arrangement of molecules in a solid, liquid and gas. One carbon atom can combine with two oxygen atoms to form carbon dioxide. Find the largest possible domain and the corresponding range of each function. You will assist the Managing Director (MD . B) We have moderately strong evidence that the acceleration is real, but essentially no idea what is causing it. 3. Which of the following is NOT considered a form of matter? D) the overall arrangement of galaxies, clusters of galaxies, and superclusters in the universe. B. phosphorus and nitrogen B The particles of matter have spaces between them. A) The expansion rate has remained nearly constant with time (a coasting universe). storage of genetic information A) residential fireplaces. 1. B. DNA provides the basic instructions for building every protein in the body. Liquid boils when enough heat is added to a liquid to cause vapor bubbles to form below the surface. Which of the following is not a form of matter? However, not all proteins are construction materials. Triglycerides and phospholipids are two of the three major types of lipids. C) The actual density of dark matter and luminous matter combined is no more than about 1% of the critical density. What Type of Matter Is Air? What do these four elements have in common? The reactivity of an atom is based on the number of electrons in its outer valance shell. Which of the following statements regarding matter is FALSE? B) The lensing broadens spectral lines, and we can use the broadening to "weigh" the cluster. Kinetic energy pushes the reactants to an energy level that encourages their interaction and the rearrangement of their chemical bonds. a. sulfur and oxygen b. sodium and calcium c. sodium and sulfur d. barium and chlorine, Which one of the following statements is true about the periodic table? The enzyme releases the product(s) of the reaction. B) measurements of the rotation curve for the universe Which of the following statements regarding atoms is true? Because the particles of a liquid are in constant motion, they frequently collide with each other. However, there are several things, such as heat, light and other forms of energy, that are not considered matter because they lack mass. The major function of DNA is to provide the genetic instructions for protein synthesis. 15. Bose-Einstein condensates, however, are only made in the lab. The left reaction is endergonic, and the right reaction is exergonic.
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