Give the chemical name for each of the following binary compounds: nonmetal-nonmetal. Less enegy input is required to start the reaction in the presence of enzyme. Define the following: atom, element, and compound. (Image), Which element is present in all organic compounds? 3. Nonpolar molecules are the result of unequal electron pair sharing. |Score 1| Janet17 |Points 46337|. 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. a sodium ion If unconfined, the particles of a gas will spread out indefinitely; if confined, the gas will expand to fill its container. The correct ratio is two hydrogens and one oxygen for every carbon. Which of the following is formed once the ions in the salt crystal have completely dissociated from one another? Related: How many atoms are in the observable universe? 8 Altered Structure Brains are composed of two types of matter: gray and white. The matter is the substance that has mass and occupies space. Which of the following is an example of a decomposition reaction? 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. Rank the chemical bonds from relatively weakest to strongest. II. Is the name of the first element in the compound different from the element? Types of things that are not considered matter include any type of energy, and abstract concepts. B) The expansion rate has slowed by the amount expected for a universe with the critical density (a critical universe). A. DNA provides the basic instructions for building every protein in the body. This article was updated on Oct. 20, 2022 by Tia Ghose. 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. What kind of elements will form an ionic compound? All matter has the same propertiesc. If the kidneys fail to function properly, one of the direct consequences would be_________. They all have the same number of protons in their nuclei. 1. Since it has one double bond and 2 single bonds, the order is more than 1 between two atoms. Of the following, which is the most likely source for coarse particulate matter? 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. 2. D) They tend to orbit at large distances from the galactic center. a) Ca+ b) NH4+ c) Rb+ d) K+ e) Li+. '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. enzymes D) observations of white dwarf supernovae. is non-polar C) matter consisting of black holes C) supermassive black holes were present in the very early universe. All amino acids, such as the four represented in the figure, contain __________. Give some examples. B) Dark matter is present between galaxies in clusters, but not within individual galaxies. Carbohydrates In a freshwater lake, there are comparatively few electrolytes (salts) to carry a current away from a swimmer's body. 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? I. Ionic 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. It is neither a solid, liquid, or gas. for example, rusting, rotting, combustion, etc. It all starts with awareness and clear direction on approaching different forms of writing. (TABLE SALT DISSOLVED IN WATER) five. D) It doesn't interact with any type of baryonic matter. Lipids that serve as hormones are derived from glycolipids. a hydrogen bond A The particles of matter are extremely small. a. XeF6 b. OF2 c. BrF, Which of the following compounds is a non-conductor in the solid but a conductor when molten? Solids may break when pressed, but changing their shape is difficult, hence they are inflexible. exergonic; endergonic Which of the following compounds is an ionic compound? the sharing of a pair of electrons, an electirical attraction between opposite charges. Which of the following is not the state of matter? phosphorus and nitrogen oxygen 4. Hence, it is matters. A) massive blue stars (Comparison of activation energy with and without an enzyme.) When a solid is converted directly into a gas without going through a liquid phase, the process is known as sublimation. A) It interacts only through the weak force. a nitrogen-containing base and a pentose sugar What additional molecule is produced when fatty acids are bonded to glycerol to make a triglyceride? D) Clusters and superclusters appear to be randomly scattered about the universe, like dots sprinkled randomly on a wall. BECs are used to study quantum mechanics on a macroscopic level. A BEC was first created by scientists in 1995. What is represented by the chemicals at A? nonpolar covalent A) The temperature is always directly related to mass, which is why massive objects are always hotter than less massive objects. Copper metal turns green on exposure to air and water. These three states of matter are made up of atoms and have volume. This boiling point is the temperature and pressure at which a liquid becomes a gas. Several pieces of graphite from a mechanical pencil are (a) broken into tiny pieces. Isotopes of the same element have the same atomic number but differ in their atomic masses. A. corrosiveness B. boiling point C. toxicity D. flammability, Which of the following is NOT an example of a physical property? So, from this, we can conclude that the: Heat is NOT an example of matter. D) the luminous matter of the Milky Way is essentially floating on the surface of a great sea of dark matter. Which of these terms would best classify the enzyme represented in the figure? 2. Because of this, particles in a solid have very low kinetic energy. False Electrons are transferred from hydrogen to oxygen during the formation of an ionic bond. C) dark matter builds up in a particular region of space, leading to a very dense region and an extremely high mass-to-light ratio. Autopsy series suggest a 7%-22% incidence, but clinical recognition is poor. neutral solution What holds the sodium and chloride ions together in a chemical bond? The biosphere refers to the total of all ecosystems of the Earth. Which element can form an acidic oxide: Si or K. Which of the following is not a compound? 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. Hydrogen atoms have a stronger pull on the electrons shared within a covalent bond formed between oxygen and hydrogen. This is true. As the Advisor, Talent Attraction & Acquisition (TAA), you will be responsible for fulfilling our full life cycle recruitment needs for Save the Children US, ensuring we are able to attract both qualified and engaged talent to deliver our mission for children at home and around the world. The matters are formed/build by atoms. Carbon iv oxide is a combination of which elements? 3. buffered solution. 8) How does gravitational lensing tell us about the mass of a galaxy cluster? A c. of the stark simplicity and power of comic . Createyouraccount. D) No, because their gravity is strong enough to hold them together even while the universe as a whole expands. storage of genetic information Which of the two compounds in the given pair is more basic in water? 1. A diagram of the position and orientation of ellipsoidal particles in clusters of a liquid glass. Carpal tunnel syndrome (CTS) is a condition in which there is . Answer. A) NH_3 B) H_2O C) CaO D) H_2. A) brown dwarfs Biological macromolecules are synthesized by ___________ reactions and are broken down by ___________ reactions. Adding or removing energy from matter causes a physical change as matter moves from one state to another. All matter is made up of atoms, which are in turn made up of protons, neutrons and electrons. Atomic weight is equal to the number of protons and neutrons in the nucleus. Pakistan. We want you to be operating at 100% capacity, which means that you need to rest. False. Biology, 21.06.2019 20:00. Fiverr. Which of the following is a FALSE statement about carbohydrates? Give the name of the following compounds. 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. The biosphere can be defined as a closed system in terms of matter because matter does not enter or exit. a. CH4 b. NaH c. PH3 d. IBr3 e. none of the above are ionic compounds. Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter. What are compounds composed of? We look forward to your enthusiastic participation. Show the details of your work. C) stellar motions in elliptical galaxies the blood becoming too acidic. In a gas, the particles have a great deal of space between them and have high kinetic energy. "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). isomerase 42) What is not a main source of evidence for the existence of dark matter? Example: The book on the desk remains in rest position until it is picked up from that desk. 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? 14) Which of the following statements best describes the current state of understanding regarding the apparent acceleration of the expansion of the universe? What do these four elements have in common? "Abortion pills carry the added risk that when these heightened . Which of the following pairs of elements will not form ionic compounds? a) The nonmetals are located in the upper left corner. Tamang sagot sa tanong: 2. D) the acceleration of the expansion was proceeding faster than elsewhere. What is a covalent compound? As the ice melts from heat coming from the water, it will remain at 32 degrees Fahrenheit (0 degrees Celsius) until the entire ice cube melts before continuing to warm. [{Image src='graph3847362846850881619.jpg' alt='graph' caption=''}]. alkaline solution Which of the following terms means sustained attention and loss of self-awareness? I < II < III They are non-matter. 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? Classify the following as elemental substances or compounds: Sulfur. 2. table sugar, or sucrose (C12H22O11) 3. E) Big Bang nucleosynthesis constrains how many neutrinos there are in the Universe. An illustration of the arrangement of molecules in a solid, liquid and gas. nitrogen 12) Based on current evidence, a supercluster is most likely to have formed in regions of space where You can find the biggest benefit," he said. C) There is no longer any doubt that dark matter is made mostly of WIMPs. In general, the matter has mass and occupies space. an acid group d) Methane(CH4). E) gravitational lensing by clusters of galaxies, 1) Which of the following best summarizes what we mean by dark matter? Become a Study.com member to unlock this answer! A. Lipids used as energy reserves in the body are stored as molecules of phospholipids. False, Which of the following combinations of atoms are most likely to be joined by ionic bonds? decomposition Thus it is showing inertia. an R group Explain. Four of these occur naturally, while others are only made fleetingly in the lab, under extreme conditions. hydrogen a. H b. Br c. Se d. Sr, Which of these compounds belongs to the class of substances commonly known as "halohydrins"? Fermionic condensates are superfluids, meaning they can flow with no viscosity. As a polar molecule, water cannot easily dissociate inorganic compounds. Combining two elements to form a compound is called what? Which is the more basic in water in the given pair of compounds. Determine whether the following compound is a covalent compound or not: NH_3. The atoms of a polar molecule share electrons equally. ____ are dietary supplements containing plant extracts. In this process, the larger molecule (or polymer) is degraded to produce smaller molecules (or monomers). ATP is an unstable, high-energy molecule that provides body cells with a form of energy that is immediately usable. One carbon atom can combine with two oxygen atoms to form carbon dioxide. Which of the binary compounds formed by the following pairs of elements are considered ionic compounds? And removing energy from liquid water causes it to become ice (a solid). C) We can observe the frictional effects of the hot gas in slowing the speeds of galaxies in the clusters. B) No, because expansion of the universe affects only empty space, not space in which matter is present. What is the term for compounds composed only of carbon and hydrogen? Which of the following is not a form of matter? What is an element and what is a compound? It does not have mass and volume. B) power generation. 1. c) Ammonia(NH3). hydrogen bond Jan 2021 - Present2 years 3 months. A) If we include dark matter, the actual density equals the critical density. 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. There are many definitions of matter. C and Fe b. Na and Cl c. Al and C d. H and O. A fire consists of hot gases and plasma (matter), yet gives off light and heat (not matter). Classify the following as elemental substances or compounds: Ammonia. The chloride ion (Cl) indicated by the arrow is interacting most closely with which of the following? ionic bond. 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. b) NaBr is an ionic compound and CO2 is a covalent compound. Carbon has four electrons in its valence (outermost) electron shell. Which of the following compounds contains an ionic bond? On a microscopic level, liquid glass is somewhere between a solid and a gel-like substance called a colloid a mixture of particles that are larger than a single atom or molecule. 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. protein A glass holds H20 in three states of matter: ice (solid), water (liquid) and vapor (gas). True 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 D) The universe would cease its expansion. For example, water vapor condenses into liquid water, known as its dew point. Biology, 21.06.2019 18:30. True Chemical It's found in Chile, Iran, Arizona, and Greece. 2. It's not a new type of matter, but it could. Which element forms the most acidic oxide? 13) Based on current evidence, how does the actual average density of matter in the universe compare to the critical density? Polar covalent bonds involve the transfer of electrons from electropositive atoms to electronegative atoms. What kind of elements form molecular compounds? 24) What do we mean when we say that a particle is a weakly interacting particle? Quarks combine into protons and neutrons and, along with electrons, form atoms of the elements of the periodic table, such as hydrogen, oxygen, and iron. Kinetic energy pushes the reactants to an energy level that encourages their interaction and the rearrangement of their chemical bonds. A. Time crystals are made in the lab and have the ability to cycle between two states of energy without ever losing energy. an amine group and an acid group When you purchase through links on our site, we may earn an affiliate commission. True D) Neutrinos travel at extremely high speeds and can escape a galaxy's gravitational pull. 7) Why does the temperature of the gas between galaxies in galaxy clusters tell us about the mass of the cluster? an amine group False, The pH scale __________. 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. Which of the following is not a fundamental subatomic particle that forms elements? C) observing how the cluster bends light from galaxies located behind it Matter have both physical and chemical propertiesb. 2. Kidneys play a major role in helping to maintain proper levels of Na+ and K+ ions in the blood. ranges from 1 to 7 Both reactions are exergonic. A. a. magnesium and fluorine b. nitrogen and sulfur c. oxygen and chlorine d. sodium and aluminum. B) The temperature tells us the average speeds of the gas particles, which are held in the cluster by gravity, so we can use these speeds to determine the cluster mass. a. Li b. CO c. Cf d. CF4, Which of the following represent elements and which represent compounds? Which of the following statements regarding energy is true? 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. Last week, I asked about your favorite romantic pairings, so now tell me about your favorite #CriticalRole friendships! B) We are so close to these systems that we don't observe their expansion. Hydrogen bonding between certain amine and carboxyl groups creates alpha helices and beta-pleated sheets. B. Which of the following statements regarding matter is FALSE? I create, scale and optimise business opportunities that matter. is a poor solvent since few things dissolve in it. The products of exergonic reactions contain more potential energy than the reactants that form them D) Their gravity is strong enough to hold them together against the expansion of the universe. B) They are subatomic particles. Vapour is the type of substance which forms when liquid converts into the gaseous phase. A) hydrogen B) chlorine C) oxygen D) carbon, Which substance is an ionic compound? Complete Work/Life Balance. B. Energy can be defined as the quantitative property . 4. Peptide bonds join the amine group on one amino acid with the R group of another amino acid. a. Which of the following compounds are ionic and which are covalent: N2, CCl4, SiO2, AlCl3, CaCl2, LiBr. Matter can exist in one of three main states: solid, liquid, or gas. NASA warns of 3 skyscraper-sized asteroids headed toward Earth this week. Which of the following is true of protein structure? Answer:Plasma.Explanation:The three common forms of matter are liquids, solids, and gases. Which of the following is a chemical that has an amine group and an organic acid group, but does not contain a peptide bond? 3. c) NaBr is a covalent compound and CO2 is an ionic compound. e) All of these are molecular compounds. Solids include things like solid ice, sugar, rock, wood, etc. Since there is almost no kinetic energy being transferred from one atom to another, the atoms begin to clump together. B) the structure of any individual cluster of galaxies. Final Answer: Chairs, air, smells, nuts, cold drinks, and perfume smell: all matter since they take up space and contain material. Correct option is B) The matter is affected by the inertia. This problem has been solved! Both reactions are exergonic Sugar dissolves in hot water. B) Dark energy does not exist and there is much more dark matter than we are aware of to date. A. water B. sodium C. chlorine D. oxygen. New York, a) C and Fe. a. P2O3 b. SO2 c. NO3, Which of the following represent elements and which represent compounds? D) the overall arrangement of galaxies, clusters of galaxies, and superclusters in the universe. Energy is defined as the capacity to do work, or to put matter into motion. exchange; equilibrium. 4. A. Mixtures: It has both mass and space. Throughout my career my roles have always centred around people and processes. Chemical You don't have to put on a fake, professional face. B. A) massive objects bend light beams that are passing nearby. 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? a. phosphorus b. nitrogen c. oxygen d. carbon. It is a matter but not a state of matter. Which of the following is a physical property of a substance? energy storage Things That Are Not Matter Here are several things that don't meet the definition of matter: Time Sound Sunlight Rainbow Love Thoughts Gravity Microwaves Heat Memories Information Reflections Energy I love the sweet spot when strategy, execution and leadership come together. Carbohydrates consist of monomers called simple sugars. A. False. Which of the following statements is true regarding the reactions shown? False, Which of the following is a primary function of a triglyercide molecule? 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). Plasma consists of highly charged particles with extremely high kinetic energy. 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. BECs are also used to simulate conditions that might exist in black holes. In addition, water has a high heat capacity and is considered a universal solvent since it dissolves more substances than any other known solvent. Objects that have mass and are matter may emit energy. Which of the following is not a molecular compound? What is the chemical compound of Antimony and how to produce it? synthesis, Which of the following statements regarding energy is FALSE? Once dissociated, the sodium and chloride ions would be expected to disperse uniformly amongst the surrounding water molecules. Thankfully, they'll all miss. 1) C6H5SH 2) S2Cl2 3) SiO2 4) ZnBr2 5) C3H5OH, Which of the following compounds corresponds to the spectrum shown here? C) Using Einstein's general theory of relativity, we can calculate the cluster's mass from the precise way in which it distorts the light of galaxies behind it. Reactions that release energy are exergonic reactions. Future US, Inc. Full 7th Floor, 130 West 42nd Street, substrate The hydrocarbon groups that dominate the structure of triglycerides are the basis for the efficient and compact energy storage by fat. True In the biosphere, the total amount of matter remains constant over time, whereas the total amount of energy decreases over time. The four electrons contributed by the hydrogen atoms will fill the valence shell of carbon. D) faint red stars B) It interacts only through the weak force and the force of gravity. Many play vital roles in cell function. bonding of amine group to acid group Basically, any type of energy or any abstract concept is an example of something that is not matter. 10) Is space expanding within clusters of galaxies? Compounds are formed by chemical bonds between different kinds of atoms. 12) What is the mass-to-light ratio for the inner region of the Milky Way Galaxy, in units of solar masses per solar luminosity? Energy "lost" during an energy conversion refers to the energy that cannot be used to do work The polarity of water easily breaks the charges between the oppositely charged ions in the compound. which of the following is not a form of matter. B) there was an excess concentration of hydrogen gas when the universe was very young. 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 Which of the following are ionic compounds? A) luminous matter emits white light, much like the light reflected from icebergs. 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? In fact, many of the special properties of water derive from its extensive hydrogen bonding capacity. What is the source of the activation energy in these reactions? Physical, Chemistry Ch 1 Matter and Energy : 1.6 Physic, Chemistry: Connections to Our Changing World, Douglas C. Brower, Herbert Beall, Karen M. Robblee, LeMay. What is the difference between kinetic and potential energy? 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. a. Pl3 and HBr b. H2S and NCl3 c. LiF and H2O d. LiI and NiO, Give the chemical name for each of the following binary compounds: nonmetal-nonmetal. The diagnosis usually signals a less favorable neurodevelopmental . C) the overall shape of the observable universe. The left reaction is endergonic, and the right reaction is exergonic. They all have an incomplete valence electron shell. A a. participation. a hydrogen atom within a water molecule Water vapor becomes ice or frost when the air touching a solid, such as a blade of grass, is cooler than the rest of the air. C) They can neither emit nor absorb light. Plasma Plasma is very similar to gas, In fact, the easiest way to describe plasma is as a gas that can carry an electrical charge.
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