Identify the spectator ions in the neutralization of lithium hydroxide, LiOH, with hydrobromic acid, HBr. B. In this process, the larger molecule (or polymer) is degraded to produce smaller molecules (or monomers). You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Water is an important molecule because it __________. Electrons are transferred from hydrogen to oxygen during the formation of an ionic bond. A. Fermionic condensates are superfluids, meaning they can flow with no viscosity. Which of the following is NOT considered a form of matter? I love the sweet spot when strategy, execution and leadership come together. D The particles of matter attract each other. Which of the following statements is true concerning the characteristics of either compounds or mixtures? Which of the following statements is true regarding the reactions shown? Which of the following elements is found in all organic compounds? Therefore, they will form similar types and numbers of bonds with other atoms. A metal surface becomes dull because of continued abrasion. B) Neutrinos do not have any mass; they interact only through the weak force. A) observations of the speeds of individual galaxies in clusters Which organic molecules form the major structural materials of the body? Other exotic states of matter can also be manufactured under extreme conditions in a lab, such as fermionic condensates and time crystals. Classify (a) and (b) as chemical or physical changes. a. H b. Br c. Se d. Sr, Which of these compounds belongs to the class of substances commonly known as "halohydrins"? A few volatile substances will undergo sublimation at room temperature and pressure, such as frozen carbon dioxide, or dry ice. 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. C) Yes, and that is why clusters tend to grow in size with time. Compounds are formed by chemical bonds between different kinds of atoms. another chloride ion Triglycerides are composed of three fatty acids and one glycerol and are stable because they do not dissolve in water. Which of the following is not a compound? A) residential fireplaces. Predict the type of bond that would be necessary to join the oxygens to the carbon to form a stable molecule. Chemical. bonding of amine group to acid group amino acid 15. Once dissociated, the sodium and chloride ions would be expected to disperse uniformly amongst the surrounding water molecules. C) The temperature of the gas tells us the gas density, so we can use the density to determine the cluster's mass. Salts are ionic compounds that contribute to the ability of nerves to conduct an electrical current. They would all be likely to form positive ions. "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). a. P2O3 b. SO2 c. NO3, Which of the following represent elements and which represent compounds? At the most fundamental level, matter is composed of elementary particles known as quarks and leptons (the class of elementary particles that includes electrons ). The biosphere refers to the total of all ecosystems of the Earth. The swimmer's body contains a higher concentration of electrolytes (salts) compared to the freshwater lake 2. Classify the following as elemental substances or compounds: Sulfur. Tamang sagot sa tanong: 2. Tertiary protein structure emerges when there is more than one peptide chain in a protein. Except for elements with atomic number 1 and 2, all other elements are stable with how many electrons in their outermost (valence) energy level? 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. Answer:Plasma.Explanation:The three common forms of matter are liquids, solids, and gases. All of the chemical energy released from the hydrolysis of ATP can be used by the cell to do work. Autopsy series suggest a 7%-22% incidence, but clinical recognition is poor. Both of the illustrated reactions are exergonic and release the same amount of energy during product formation. 2. 8) In general, when we compare the mass of a galaxy or cluster of galaxies to the amount of light it emits (that is, when we look at it mass-to-light ratio), we expect that What is the primary energy-transferring molecule in cells? Both reactions are endergonic. D) the luminous matter of the Milky Way is essentially floating on the surface of a great sea of dark matter. (TABLE SALT DISSOLVED IN WATER) two nitrogen atoms The electrons of each atom are constantly in motion, so the atoms have a small vibration, but they are fixed in their position. Which of the following pairs of elements is most likely to form an ionic compound? Which of the resulting solutions would NOT conduct electricity? 1. Covalent Please identify each of the following substances. Sugar dissolves in hot water. Which of the following compounds contains the Mn3+ ion? D) No, because their gravity is strong enough to hold them together even while the universe as a whole expands. hydrogen 3) Why do we believe 90 percent of the mass of the Milky Way is in the form of dark matter? 24) What do we mean when we say that a particle is a weakly interacting particle? C) measurements of how galaxy speeds away from the Milky Way have increased during the past century Think of monomers as the "building blocks" of polymers. a. I2 b. Cl2 c. Br2 d. F2. D) telescope lenses are distorted by gravity. What form of matter is made from only one type of atom a. element b. material c. compound d. molecule. 13) What do we mean when we say that particles such as neutrinos or WIMPs are weakly interacting? The 31-year-old shared a snap taken in her bathroom to her Instagram Stories on Friday. A) the higher amount of mass relative to light (higher mass-to-light ratio), the lower the proportion of dark matter. Energy "lost" during an energy conversion refers to the energy that cannot be used to do work a peptide bond Lipids used as energy reserves in the body are stored as molecules of phospholipids. It's found in Chile, Iran, Arizona, and Greece. Because they don't reach equilibrium or a steady state, they are able to dodge the second law of thermodynamics, which states that the disorder, or entropy, of a closed system, always increases. All of the following can be considered physical properties EXCEPT: A block of aluminum is (a) ground into aluminum powder and then (b) ignited. We would like to provide you with some information about the SBS Inkigayo live show participation on Sunday, March 5, 2023. Which element forms the second most compounds? Time crystals are a form of matter that were first proposed in 2012 (opens in new tab) by Nobel-prize winning physicist Frank Wilczek. Createyouraccount. Enzymes do not provide energy to their substrates. 4. Several pieces of graphite from a mechanical pencil are (a) broken into tiny pieces. The states of matter are solid, liquid, gas, or plasma. This figure shows a dehydration synthesis reaction between two monomers forming, resulting in a larger molecule. Acetic acid and potassium hydroxide net ionic equation. 5) What evidence suggests that the Milky Way contains dark matter? 4. 17) Imagine that it turns out that dark matter (not dark energy) is made up of an unstable form of matter that decays into photons or other forms of energy about 50 billion years from now. 2 calcium salts in bones. It's not a new type of matter, but it could. 1. Hydrogen atoms have a stronger pull on the electrons shared within a covalent bond formed between oxygen and hydrogen. 3. A pH between 0.0 and 7.0 is acidic. Which of the following compounds is an organic compound? Why? Combining two elements to form a compound is called what? Which of the following is not a form of matter? 3. 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. phosphorus and nitrogen Answers: 1. 2. C) dark matter represents much more mass and extends much further from the galactic center than the visible stars of the Milky Way. 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. Which element forms the most compounds? an R group B) We are so close to these systems that we don't observe their expansion. ATP Which is the more basic in water in the given pair of compounds. What functional group pairing allows one amino acid to bond with another? two double bonds It is the second most common acquired central nervous system abnormality in neonates, outranked only by germinal matrix hemorrhage. Who was the first to classify materials as compounds? an R group. a hydrogen bond Which of the binary compounds formed by the following pairs of elements are considered ionic compounds? NaOH is an example of a basic compound. '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 a. participation. In the biosphere, the total amount of matter remains constant over time, whereas the total amount of energy decreases over time. alkaline solution carbon dioxide. D) velocities and positions of galaxies in clusters of galaxies This problem has been solved! A) luminous matter emits white light, much like the light reflected from icebergs. Weak acids and bases dissociate (ionize) partially and reversibly, whereas strong acids and bases dissociate completely and irreversibly. The liquid propane in a barbecue evaporates away because the user left the valve open. 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. Live Science is part of Future US Inc, an international media group and leading digital publisher. I am performing my Work Activities as an Email Marketing Specialist on Freelance platforms like Fiverr & Freelancer.com. Would water still be a polar molecule if it were NOT in the form of a V but rather were linear like carbon dioxide? When broken (hydrolyzed), the high-energy phosphate bonds in the ATP molecule release the energy used to do cellular work. D) We detect this gas with X-ray telescopes. Carbon iv oxide is a combination of which elements? a. O3: molecular compound b. Al: atomic compound c. NH4OH: molecular compound d. H2: atomic element e. None of the above is correct. express each number in an alternate form. Become a Study.com member to unlock this answer! A) Most dark matter probably consists of weakly interacting particles of a type that we have not yet identified. 1) Which of the following best summarizes what we mean by dark matter? MgO2 Mg + O2 c.) MgSO4 + 2NaCl MgCl2 + Na2SO4 d.) 2Na + Cl2 2NaCl b.) This is true. Why? The substrate absorbs chemical energy from the enzyme after binding to its active site. H20 III. C) X-ray observations of hot gas in galaxy clusters RNA carries out the orders for protein synthesis issued by DNA. Throughout my career my roles have always centred around people and processes. bonding of amine group to acid group The substrate is a reactant in an enzyme-catalyzed reaction. (Image credit: Research groups of Professor Andreas Zumbusch and Professor Matthias Fuchs). Physical, Polymerizes to form polyethylene. Last week, I asked about your favorite romantic pairings, so now tell me about your favorite #CriticalRole friendships! nonpolar covalent Physical, 1 L has a mass of 1.260 g under standard conditions. A) measuring the speeds of galaxies orbiting the cluster's center Which of the following is generally defined as a substance composed of molecules in which two or more nonmetallic elements are joined? C) We can observe the frictional effects of the hot gas in slowing the speeds of galaxies in the clusters. A) matter that we have identified from its gravitational effects but that we cannot see in any wavelength of light B) matter that may inhabit dark areas of the cosmos where we see nothing at all C) matter consisting of black holes 15) Which of the following methods used to determine the mass of a cluster does not depend on Newton's laws of gravity? The biosphere can be defined as a closed system in terms of matter because matter does not enter or exit. Peptide bonds form from dehydration synthesis reactions between an amine group and an organic acid group. two Time crystals are made in the lab and have the ability to cycle between two states of energy without ever losing energy. In general, the matter has mass and occupies space. What is a compound? In fact, enzymes are completely unchanged by their catalytic role and can act again and again. 13) Based on current evidence, how does the actual average density of matter in the universe compare to the critical density? Matter is made up of atom which is formed by the combination of subatomic particles. Kidneys play a major role in helping to maintain proper levels of Na+ and K+ ions in the blood. B) The lensing broadens spectral lines, and we can use the broadening to "weigh" the cluster. Study with Quizlet and memorize flashcards containing terms like Which of the following is NOT an example of matter?, Which of the following is a physical property of a substance? Which of the following is a physical property of a substance? Which of the following statements regarding matter is FALSE? A) Dark matter is the dominant form of mass in both clusters and in individual galaxies. synthesis, Which of the following statements regarding energy is FALSE? D) Dark energy exists but dark matter does not. can form hydrogen bonds ionic D) faint red stars Name each of the below as an atomic element, a molecular element, or a compound. Which of the following statements regarding energy is true? impaired nerve impulse transmission Since it has one double bond and 2 single bonds, the order is more than 1 between two atoms. proteins has a low heat capacity a. O3, molecular compound b. Al, atomic compound c. NH4OH, molecular compound d. H2, atomic element, Which of the following compounds contain ionic bonds? The conversion of potential energy into kinetic energy is an example of work It then emits flames and smoke. (TABLE SALT DISSOLVED IN WATER) A. A) The light that they emit is so weak that it is undetectable to our telescopes. Hydrolysis refers to the breakdown of these larger molecules (polysaccharides and proteins) into smaller molecules (monosaccharides and amino acids) by the addition of water at the bonds that join them. 3. Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter. What is the name for a pure substance made of two or more elements chemically combined? The reactivity of an atom is based on the number of electrons in its outer valance shell. Which of the following is an example of a decomposition reaction? I create, scale and optimise business opportunities that matter. True catalysts. A) the structure of any large galaxy. salt deposits in many regions of the body a) Carbon dioxide. When a substance transforms from a liquid to a solid, molecules are arranged in a crystalline structure for glass, this doesnt happen and particles are frozen in place before crystallisation occurs. Most liquids contract when they freeze but water expands, making it less dense when it becomes ice. oxidation; reduction Which of the following pairs of elements will not form ionic compounds? Which of the following is not a form of electromagnetic radiation? copyright 2003-2023 Homework.Study.com. Which statement about complementary base pairing is not true? Which of the following is an example of a decomposition reaction? Which of the following compounds contains an ionic bond? What additional molecule is produced when fatty acids are bonded to glycerol to make a triglyceride? You don't have to put on a fake, professional face. B) the higher the amount of mass relative to light (higher mass-to-light ratio), the greater the proportion of dark matter. Copper metal turns green on exposure to air and water. A) There are not enough neutrinos to make up all the dark matter. Much like solids, liquids (most of which have a lower density than solids) are incredibly difficult to compress. oxygen lipids A. True 2. 1. Which of the following are ionic compounds? Heres how it works. It is neither a solid, liquid, or gas. False. Adams seemingly took the result of the poll to mean that 47% of black Americans did not have a favorable view of white people and intimated that he would be changing his approach to racial matters. See Answer A pH between 7.0 and 14.0 is basic. The matters are formed/build by atoms. The four fundamental states of matter are solid, liquid, gas and plasma, but there others, such as Bose-Einstein condensates and time crystals, that are man-made. an active site blood c.) X rays d.) bone c.) X rays Which of the following is an example of a decomposition reaction? We would like to share some information on how to participate in the SBS Inkigayo on Sunday, February 12. Differentiate the functions given with respect to the independent variable. the breaking of chemical bonds within the reactants. acidic solution C) It is the energy of black holes. For this to be the case, which of the following would have to be true (based on current understanding)? for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 10-4 millimeters. can form hydrogen bonds C) The acceleration is very important in the cosmos today, but the evidence indicates that it will eventually slow down, allowing the universe to recollapse. BECs are also used to simulate conditions that might exist in black holes. Biology, 21.06.2019 18:30. For a given value of Hubble's constant today (such as 24 km/s/Mly), the age of the universe is oldest if what is true? Which of these substances is a covalent compound? D) The acceleration probably is not real, and what we attribute to acceleration is probably just a misinterpretation of the data. II < I < III BECs are a strange, lab-made form of matter in which thousands of separate atoms seem to act as one "super atom.". Our experts can answer your tough homework and study questions. ionic bond. By contrast, mass is not a substance but rather a quantitative property of matter and other substances or systems; various types of mass are defined within physics - including but not limited to rest mass, inertial mass, relativistic mass, mass-energy . Which of the following is NOT an example of a physical property? 4 Q . This unique characteristic allows ice to float in water, like this massive iceberg in Antarctica. Explain. 3. 3. Hydrogen, Ionic, Covalent. From what types of damage does the skin protect the body? Inertia is the tendency of the matter to be in a state of rest or motion. The body of water with the higher concentration of electrolytes, in this case the human body, is the better conductor of electrical currents. All matter has the same propertiesc. Oxygen DNA. small atoms with 6 or 7 valence shell electrons, such as oxygen, nitrogen, and chlorine, are electron-hungry. It also brought forth a lot of questions since. a) NF3 b) Na2O c) CO2 d) N2 e) CH4, Which of the following is an ionic compound? Medium Solution Verified by Toppr Correct option is C) The particles of matter are continuously moving. Which of the two compounds in the given pair is more basic in water? Example O 2. D) Neutrinos travel at extremely high speeds and can escape a galaxy's gravitational pull. the sharing of a pair of protons C) They can neither emit nor absorb light. an electrical attraction between opposite charges Liquid matter is made of more loosely packed particles. Carbon, Hydrogen, Oxygen, Nitrogen (CHON). False, The pH scale __________. (a) Particles of a matter are randomly moving in all directions. The noble gases (helium, neon, argon, krypton, xenon and radon) are often used to make glowing signs by using electricity to ionize them to the plasma state. Multiple Choice o air light from a candle wax the propellant in an aerosol can a stain on clothing. False, Which of the following combinations of atoms are most likely to be joined by ionic bonds? hydrogen. Solid Biological macromolecules are synthesized by ___________ reactions and are broken down by ___________ reactions. Yes, because the electronegativity difference between hydrogen and oxygen would still be present.
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