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? Solid matter is composed of tightly packed particles. a) carbon b) antimony c) chlorine d) calcium, Which compound or compounds is (are) most likely to form dication(s)? 6) If there is no dark matter in the Milky Way Galaxy, what is the best alternative explanation for the observations? Energy "lost" during an energy conversion refers to the energy that cannot be used to do work This unique characteristic allows ice to float in water, like this massive iceberg in Antarctica. D) It is a type of energy that is associated with the "dark side" of The Force that rules the cosmos. A) Galaxies and clusters have grown around tiny density enhancements that were present in the early universe. B) matter that may inhabit dark areas of the cosmos where we see nothing at all 4. False, Which of the following is a primary function of a triglyercide molecule? Lichtenstein used comic strips as subject matter because. Matter is a general term describing any 'physical substance'. The atoms of a polar molecule share electrons equally. Dry ice or solid carbon dioxide sublimates from a solid to a gas at temperatures of around -109.3F (-78.5 C). Amino acids are linked by peptide bonds to form peptides. substrates a phosphate group. a solution A) We infer its existence by observing its gravitational effects on the galaxy motions. Get access to this video and our entire Q&A library, Law of Conservation of Matter: Definition & Matter. Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter. 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. Which of the binary compounds formed by the following pairs of elements are considered ionic compounds? a) The nonmetals are located in the upper left corner. A) massive blue stars A. Mixtures B. 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 . For this to be the case, which of the following would have to be true (based on current understanding)? What is the primary energy-transferring molecule in cells? NaOH is an example of a basic compound. If the kidneys fail to function properly, one of the direct consequences would be_________. Which of the following are meso compounds? What element X is most likely to react to form the compound XF5? 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). D) Dark energy exists but dark matter does not. Solid The products of exergonic reactions contain more potential energy than the reactants that form them This is why chemical reactions (with or without enzyme) occur faster at higher temperatures. Except for elements with atomic number 1 and 2, all other elements are stable with how many electrons in their outermost (valence) energy level? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Which of the following is a compound? E) gravitational lensing by clusters of galaxies, 1) Which of the following best summarizes what we mean by dark matter? Createyouraccount. Inspiring hope and contributing to a greater well-being of patients through creative teaching, integrated with our clinical practice, education and evidence based research. C) They respond to the weak force but not to the electromagnetic force, which means they cannot emit light. 1. nonpolar covalent 2. hydrogen bond 2. Example O 2. What is the classification of a solution with a pH of 8.3? 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. 3. B) the structure of any individual cluster of galaxies. Save 50% on any of our courses through March 31st, 2023! This is true. an R group polar covalent bond The polarity of water easily breaks the charges between the oppositely charged ions in the compound. Name a substance made of two or more elements, none of which is carbon. 4. a. CH4 b. NaH c. PH3 d. IBr3 e. none of the above are ionic compounds. Except for elements 1 and 2, all other elements are stable with how many electrons in their outermost (valence) energy level? 7) Why does the temperature of the gas between galaxies in galaxy clusters tell us about the mass of the cluster? D) faint red stars These reactions yield products with less energy than the initial reactants, along with energy that can be harvested for other uses. C) They can neither emit nor absorb light. Carbon, Hydrogen, Oxygen, Nitrogen (CHON). Which of the following is an example of a decomposition reaction? Summary. 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. 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. Secondary protein structures involve hydrogen bonding between amine and carboxyl groups. 4. BECs are also used to simulate conditions that might exist in black holes. 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. 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. The reaction in the presence of enzyme releases more energy. Solid ice can be very brittle. 1.Nonpolar molecules have partial charges which can lead to hydrogen bonding. Peptide bonds are formed by hydrolysis. Which compounds, NaH, PH3, CH4, IBr3 are ionic compounds? In general, the matter has mass and occupies space. It's common to use "matter" when referring to a singular issue (as a noun). False. Fiverr. SBS Inkigayo Live Premiere - Scheduled Time of Broadcast: 3:50 PM, Sunday, March 5, 2023 (KST) - Check-in . Answer. A) Non Metals B) Metals C) Molecular Compounds D) All of the answers are correct, Which of the following compounds contains ionic bonds? Liquid boils when enough heat is added to a liquid to cause vapor bubbles to form below the surface. Liquid matter is made of more loosely packed particles. 3. Because of this, particles in a solid have very low kinetic energy. The swimmer's body and the freshwater lake conduct electrical currents equally well In a freshwater lake, there are comparatively few electrolytes (salts) to carry a current away from a swimmer's body. Non-matter includes the light from a torch, the heat from a fire, and the sound of a police siren. Air is an example of the type of matter known as gas. a) CH3OH b) HOClO c) NH4CN d) NH3 e) N2O3. Therefore, they will form similar types and numbers of bonds with other atoms. Final Answer: Chairs, air, smells, nuts, cold drinks, and perfume smell: all matter since they take up space and contain material. NASA warns of 3 skyscraper-sized asteroids headed toward Earth this week. When a solid is converted directly into a gas without going through a liquid phase, the process is known as sublimation. a. XeF6 b. OF2 c. BrF, Which of the following compounds is a non-conductor in the solid but a conductor when molten? 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. C) dark matter represents much more mass and extends much further from the galactic center than the visible stars of the Milky Way. Determine the equation of the level curves f(x, y) = c, together with the possible values of c. $f(x, y)=\frac{x+y}{x-y}$. Liquids cool as they evaporate because the energy transferred to surface molecules, which causes their escape, gets carried away with them. a) NF3 b) Na2O c) CO2 d) N2 e) CH4, Which of the following is an ionic compound? You will assist the Managing Director (MD . Basically, any type of energy or any abstract concept is an example of something that is not matter. Polar covalent bonds involve the transfer of electrons from electropositive atoms to electronegative atoms. Which of the following is not a form of matter? A) measuring the speeds of galaxies orbiting the cluster's center 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? 5) What evidence suggests that the Milky Way contains dark matter? All matter has the same propertiesc. D) Their gravity is strong enough to hold them together against the expansion of the universe. Identify the spectator ions in the neutralization of lithium hydroxide, LiOH, with hydrobromic acid, HBr. From what types of damage does the skin protect the body? an active site It is a matter but not a state of matter. a hydrogen atom within a water molecule fat. A. 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. The four electrons contributed by the hydrogen atoms will fill the valence shell of carbon. home bargains hair styling products. Give the chemical name for each of the following binary compounds: nonmetal-nonmetal. Which of the following is not a molecular compound? ammonia (NH3). A c. of the stark simplicity and power of comic . 1. 2. What is the name for a pure substance made of two or more elements chemically combined? Which of the following is NOT an example of matter? one Does the temperature of an ideal gas increase, decrease, or stay the same during an increase in pressure at constant volume? A) Dark energy is the dominant form of energy in the cosmos. oxidation; reduction "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 . My responsibilities . Why? Which of the following is NOT one of the three basic steps involved in enzyme activity? Time crystals are made in the lab and have the ability to cycle between two states of energy without ever losing energy. What explains the partial negative charge on the oxygen atom within the water molecule? A The particles of matter are extremely small. D) The overall shape of the cluster is that of a lens. Which of these terms would best classify the enzyme represented in the figure? the kinetic energy of the reactants A BEC also has many of the properties of a superfluid, or a fluid that flows without friction. has a low heat capacity The polarity of water easily breaks the charges between the oppositely charged ions in the compound. How many hydrogen atoms will a single carbon atom bond with to form a stable molecule? 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. 1. synthase. D) The actual density of matter is many times higher than the critical density. lipids Atomic weight is determined by the number of electrons in an atom of a given element. is linear E) the expansion of the universe. 18) Gravitational lensing occurs when The matters are formed/build by atoms. A. CH4 B. K2O C. Cl2 D. OF2. 1. A. BrCH_2CH_2Cl B. ClCH_2CO_2H C. ICH_2CH_2OH D. FCH_2CH_2NH_2 E. HOCH_2\ COCl, Which of the following substances is correctly categorized? Triglycerides are composed of three fatty acids and one glycerol and are stable because they do not dissolve in water. 4. A) There are not enough neutrinos to make up all the dark matter. another chloride ion B) there was an excess concentration of hydrogen gas when the universe was very young. 4y''-4y'-3y=0, y(-2)=e, y'(-2)=-e/2.