The major function of DNA is to provide the genetic instructions for protein synthesis. Chemical For example, a swinging pendulum consists of matter, but its energy of motion is not matter. 13) What do we mean when we say that particles such as neutrinos or WIMPs are weakly interacting? It is the second most common acquired central nervous system abnormality in neonates, outranked only by germinal matrix hemorrhage. if two atoms of element A react with three atoms of element B, what is the chemical formula for the resulting compound? Physical 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. a) NF3 b) Na2O c) CO2 d) N2 e) CH4, Which of the following is an ionic compound? You can find the biggest benefit," he said. A pH between 0.0 and 7.0 is acidic. Lipids found in the cell membrane are composed of one glycerol and three fatty acid chains and are called phospholipids. Which of the two compounds in the pair below is more basic in water? Several pieces of graphite from a mechanical pencil are (a) broken into tiny pieces. A BEC was first created by scientists in 1995. Which of the following statements regarding matter is FALSE? All rights reserved. Which compounds are ionic and which are covalent: N2, CCl4, SiO2, AlCl3, CaCl2, LiBr? Solids also have a high density, meaning that the particles are tightly packed together. Energy cannot be converted from one form to another, it can only be created or destroyed an active site copyright 2003-2023 Homework.Study.com. 4. This is what we hear as sound or noise: pressure changes in the fluid (matter) around our ears, caused by vibrations or movements of the particles in this matter. hydrogen D) the higher the amount of mass relative to light (higher mass-to-light ratio), the older the galaxy or cluster. What type of chemical bond is most likely to occur between sodium and chlorine? Which element can form an acidic oxide: Si or K. Amino acids are linked by peptide bonds to form peptides. Carbohydrates can form hydrogen bonds C) fossil fuel combustion in vehicles. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Classify the following as elemental substances or compounds: Ammonia. a nitrogen-containing base and a pentose sugar Example water. home bargains hair styling products. ATP Plasma is not a common state of matter here on Earth, but it may be the most common state of matter in the universe, according to the Jefferson Laboratory (opens in new tab). carbon The enzyme's active site binds to the substrate(s) on which it acts, temporarily forming an enzyme-substrate complex. ATP is an unstable, high-energy molecule that provides body cells with a form of energy that is immediately usable. the breaking of chemical bonds within the reactants. all of the above. The construction of the truck is such that a transmission heat gain occurs at a rate of 80W/C80 \mathrm{~W} /{ }^{\circ} \mathrm{C}80W/C. Energy is defined as the capacity to do work, or to put matter into motion. In which of the following pairs of compounds are both members of the pair ionic compounds? Determine whether the following compound is a covalent compound or not: NH_3. At this extremely low temperature, molecular motion comes very close to stopping. 3. Reactions that release energy are exergonic reactions. the kinetic energy of the reactants Compounds are formed by chemical bonds between different kinds of atoms. dehydration synthesis; hydrolysis one potassium atom and one fluorine atom A. Cl and K B. P and Br C. Cu and K D. Na and K. What combination of elements (metals and/or nonmetals) are involved in molecular and ionic compounds? 10) When we say that a cluster of galaxies is acting as a gravitational lens, what do we mean? D. Sugar burns in a pot. B The particles of matter have spaces between them. 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. C and Fe b. Na and Cl c. Al and C d. H and O. Carbon, Hydrogen, Oxygen, Nitrogen (CHON). Less enegy input is required to start the reaction in the presence of enzyme. 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. 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. B) They are subatomic particles. substrates Covalent A The particles of matter are extremely small. Inspiring hope and contributing to a greater well-being of patients through creative teaching, integrated with our clinical practice, education and evidence based research. Save 50% on any of our courses through March 31st, 2023! The Lewis structure of C 3 H 4 is as follows. Small atoms with 6 or 7 valence shell electrons tend to be electronegative. Which of these terms would best classify the enzyme represented in the figure? D) measuring the temperatures of stars in the halos of the galaxies. a) carbon b) antimony c) chlorine d) calcium, Which compound or compounds is (are) most likely to form dication(s)? Createyouraccount. If the ambient temperature is 25C25^{\circ} \mathrm{C}25C, Find how long it will take for a system with a refrigeration capacity of 8kW8 \mathrm{~kW}8kW to precool this truck. I create, scale and optimise business opportunities that matter. The substrate absorbs chemical energy from the enzyme after binding to its active site. D) Clusters and superclusters appear to be randomly scattered about the universe, like dots sprinkled randomly on a wall. |Score 1| Janet17 |Points 46337|. Give the name of the following compounds. The chemical composition of carbohydrates includes two oxygens and one hydrogen for every carbon present. 18) Gravitational lensing occurs when Why? What holds the sodium and chloride ions together in a chemical bond? Does the temperature of an ideal gas increase, decrease, or stay the same during an increase in pressure at constant volume? Summary. 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? The news this week that King Charles III was evicting Prince Harry and Meghan Markle out of Frogmore Cottage in favor of Prince Andrew was shocking. E) It is the only type of particle that interacts through the weak force. The left reaction is endergonic, and the right reaction is exergonic. E) all of the above. It's a copper-based mineral known as Herbertsmithite, named after British mineralogist Herbert Smith. The swimmer's body contains a higher concentration of electrolytes (salts) compared to the freshwater lake They are so excited that they jump an energy level and, in doing so, give off light. Which of the following is not a fundamental subatomic particle that forms elements? D) telescope lenses are distorted by gravity. We want you to be operating at 100% capacity, which means that you need to rest. Which of the following is a compound? Because of this, particles in a solid have very low kinetic energy. A) Stars would cease to exist when the dark matter is gone. substrates Correct option is B) The matter is something that occupies space and has volume. C) We can observe the frictional effects of the hot gas in slowing the speeds of galaxies in the clusters. formation of cell membranes Which of the following is true about lipids? one (TABLE SALT DISSOLVED IN WATER) ranges from 1 to 7 Define the following: atom, element, and compound. A) Dark energy is the dominant form of energy in the cosmos. The liquid propane in a barbecue evaporates away because the user left the valve open. A c. of the stark simplicity and power of comic . The valence electrons are then made up by the forming of an ester bond. B) rotation curves of disk galaxies (a) Particles of a matter are randomly moving in all directions. 1. (Image), Which element is present in all organic compounds? a. participation b. content c. artistic form d. subject matter. phosphorus and nitrogen There are many definitions. 6) How do we know that galaxy clusters contain a lot of mass in the form of hot gas that fills spaces between individual galaxies? A) observations of the speeds of individual galaxies in clusters Energy "lost" during an energy conversion refers to the energy that cannot be used to do work Which of the following is an example of a decomposition reaction? Solid matter is composed of tightly packed particles. Classify (a) and (b) as chemical or physical changes. Energy can be defined as the quantitative property . Liquid matter is made of more loosely packed particles. B) The lensing broadens spectral lines, and we can use the broadening to "weigh" the cluster. Which of the following is a FALSE statement about carbohydrates? protein Earnings Per Share (IAS 33), Not for Profit o, Agriculture (Biological Assets) (IAS 41), Inv, Accounting Changes (ASPE 1506 and IAS 8), Fin, Abe Mizrahi, Edward E. Prather, Gina Brissenden, Jeff P. Adams, Jeffrey O. Bennett, Mark Voit, Megan O. Donahue, Nicholas O. Schneider, Creating the Constitution-1 short version. bonding of amine group to amine group The biosphere can be defined as a closed system in terms of matter because matter does not enter or exit. a. phosphorus b. nitrogen c. oxygen d. carbon. What type of chemical bond is most likely to occur between sodium and chlorine? a. O3: molecular compound b. Al: atomic compound c. NH4OH: molecular compound d. H2: atomic element e. None of the above is correct. True SO2, PCl3, NaBr, PbO, AlF3. Which of the following is true of protein structure? Fermionic condensates are superfluids, meaning they can flow with no viscosity. 2. Less energy input is required to start the reaction in the presence of enzyme. alkaline solution a) Na and O b) Li and Ne c) Fe and S d) Ca and I, Which of the following are ionic compounds? A d. be human made. 1.Nonpolar molecules have partial charges which can lead to hydrogen bonding. So we've created the antidote. III < I < II, Weakest to strongest 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 . Which of the following compounds are ionic and which are covalent: N2, CCl4, SiO2, AlCl3, CaCl2, LiBr. Of the following, which is the most likely source for coarse particulate matter? If you're routinely working more than 45ish hours, you're gonna get a friendly talking-to. Which of the following statement is not true regarding the characteristic of matter? The swimmer's body and the freshwater lake conduct electrical currents equally well 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. Classify (a) and (b) as chemical or physical changes. Inertia is the tendency of the matter to be in a state of rest or motion. two oxygen atoms. potassium chloride (KCl) What form of matter is made from only one type of atom a. element b. material c. compound d. molecule. Hydrogen atoms have a stronger pull on the electrons shared within a covalent bond formed between oxygen and hydrogen. f(x)=3x4+5x2f(x)=-3 x^{4}+5 x^{2}f(x)=3x4+5x2. What do these four elements have in common? But that phrase is actually outdated, as there are many more states of matter than that. The swimmer's body contains a higher concentration of electrolytes (salts) compared to the freshwater lake table sugar, or sucrose (C12H22O11) It then emits flames and smoke. 2. B) It is an unusually large cluster that has a lot of gravity. Find the largest possible domain and the corresponding range of each function. Which element forms the second most compounds? What is the primary energy-transferring molecule in cells? a suspension Solid If the kidneys fail to function properly, one of the direct consequences would be_________. Adding or removing energy from matter causes a physical change as matter moves from one state to another. 2. However, not all proteins are construction materials. PF3 IV. impaired nerve impulse transmission Oxygen atoms have a stronger pull on the electrons shared within a covalent bond formed between oxygen and hydrogen. D The particles of matter attract each other. The reactivity of an atom is based on the number of electrons in its outer valance shell. Matter is anything that has mass and volume.d. B. A pH between 7.0 and 14.0 is basic. Hydrogen bonding between certain amine and carboxyl groups creates alpha helices and beta-pleated sheets. I. CaO II. e) All of these are molecular compounds. It is a matter but not a state of matter. Tertiary protein structure emerges when there is more than one peptide chain in a protein. Which of the following is a chemical that has an amine group and an organic acid group, but does not contain a peptide bond? 2. NASA warns of 3 skyscraper-sized asteroids headed toward Earth this week. 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. Physical, Polymerizes to form polyethylene. Structure B is an enzyme, which is typically primarily composed of protein. When heat is removed from a liquid, its particles slow down and begin to settle in one location within the substance. an amine group and an acid group 3. D) They interact with other matter only through the weak force and not through gravity or any other force. b) NaBr is an ionic compound and CO2 is a covalent compound. Combining two elements to form a compound is called what? Why? blood c.) X rays d.) bone c.) X rays Which of the following is an example of a decomposition reaction? 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 kind of elements form molecular compounds? All matter is made up of atoms, which are in turn made up of protons, neutrons and electrons. All other trademarks and copyrights are the property of their respective owners. Chemical 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). A) If we include dark matter, the actual density equals the critical density. Which statement about complementary base pairing is not true? alkaline solution Monosaccharides are joined to form polysaccharides, and amino acids are joined to form proteins by this process. They are all generally unreactive elements. False Atomic mass is equal to the number of protons and neutrons in the nucleus. Which element forms the most compounds? Lipids that serve as hormones are derived from glycolipids. Name each of the below as an atomic element, a molecular element, or a compound. False. C) It is so small that it doesn't affect objects in the universe. d) NaB. D) matter for which we have theoretical reason to think it exists, but no observational evidence for its existence, 26) Which of the following are candidates for dark matter? Predict the type of bond that would be necessary to join the oxygens to the carbon to form a stable molecule. Show the details of your work. For type II binary ionic compounds, what type of element is always listed first (metal or nonmetal)? substrate Sugar dissolves in hot water. For binary ionic compounds, what type of element is always listed first (metal or nonmetal)? is based on the salinity of a solution Which of the following is not considered a form of matter? Scientists created a time crystal, a new phase of matter, inside Google's Sycamore quantum computing chip, which is kept cool inside their quantum cryostat. 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. Which of the binary compounds formed by the following pairs of elements are considered ionic compounds? The chemical reactivity of an atom is based on the overall number of electrons in the atom. 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 of the following is NOT considered a form of matter? Fermionic condensates are another type of lab-made matter. amino acid Energy: Light, heat, kinetic and potential energy, and sound are non-matter because they are massless. Which of the following elements does not exist as a diatomic molecule? B) the broadening of absorption lines in an elliptical galaxy's spectrum Bose-Einstein condensates, however, are only made in the lab. A. Mixtures: It has both mass and space. Time crystals were created in a lab in 2017 and in 2021, Google announced that it had made a time crystal in a quantum computer, and that the crystal had lasted for 100 seconds before the ephemeral state disintegrated. What Type of Matter Is Air? A. Visit our corporate site (opens in new tab). amino acid Explain. B) We are so close to these systems that we don't observe their expansion. D) They tend to orbit at large distances from the galactic center. water Which of the following is NOT a compound? True 2. This unique characteristic allows ice to float in water, like this massive iceberg in Antarctica. D) The overall shape of the cluster is that of a lens. Give examples of each. D) cars driving on unpaved roads 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. Non-matter includes the light from a torch, the heat from a fire, and the sound of a police siren. the kinetic energy of the reactants A) the higher amount of mass relative to light (higher mass-to-light ratio), the lower the proportion of dark matter. These reactions yield products with less energy than the initial reactants, along with energy that can be harvested for other uses. a) Carbon dioxide. The left reaction is exergonic, and the right reaction is endergonic. ATP Dietary glucose is primarily used to drive our metabolic pathways that produce energy. hydrolase B) matter that may inhabit dark areas of the cosmos where we see nothing at all Pakistan. Classify the following as elemental substances or compounds: Sulfur. C) Dark matter is present in individual galaxies, but there is no evidence that it can exist between the galaxies in a cluster. There are many different methods to categorize and characterize matter. I'm curious. c. Purines pair with purines, and pyrimidines pair with pyrimidines. DNA. Which of the following items is a physical property? C. A metal surface becomes dull on exposure to air. 25) Why can't the dark matter in galaxies be made of neutrinos? the sharing of a pair of electrons, an electirical attraction between opposite charges. has a low heat capacity Solids may break when pressed, but changing their shape is difficult, hence they are inflexible. 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). In a freshwater lake, there are comparatively few electrolytes (salts) to carry a current away from a swimmer's body. bonding of amine group to acid group In a gas, the particles have a great deal of space between them and have high kinetic energy. You can just be yourself. Think of monomers as the "building blocks" of polymers. Which of the following statements regarding atoms is true? We at Modern Dermatology, in Scottsdale and Tempe . How many hydrogen atoms will a single carbon atom bond with to form a stable molecule? MgO2 Mg + O2 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. A) We infer its existence by observing its gravitational effects on the galaxy motions. Matter is a general term describing any 'physical substance'. The freshwater lake cannot conduct an electrical current. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. four hydrogen atoms and one carbon atom a) CH3OH b) HOClO c) NH4CN d) NH3 e) N2O3. A gas has no definite shape or volume. Matter is everything around us. Water is an important molecule because it __________. Chemical. When heat is applied to a solid, its particles begin to vibrate faster and move farther apart. Answer 2: Light and sound are not regarded as forms of matter. Biology, 21.06.2019 18:30. polar covalent bond A. Mixtures B. Which of the following is not the state of matter? 10) When we see that a spectral line of a galaxy is broadened, that is, spanning a range of wavelengths, we conclude that, 11) A large mass-to-light ratio for a galaxy indicates that. Specialties: Mission of Modern: To promote the highest quality of health for patients with skin disease through the provision of empathetic, state-of-the-art medical care. "I always thought, well, if you help the black community, that's the biggest lever.