The chemical composition of carbohydrates includes two oxygens and one hydrogen for every carbon present. Matter is everything around us. 1.Nonpolar molecules have partial charges which can lead to hydrogen bonding. A. corrosiveness B. boiling point C. toxicity D. flammability, Which of the following is NOT an example of a physical property? Carbohydrates consist of monomers called simple sugars. The products of exergonic reactions contain more potential energy than the reactants that form them a. phosphorus b. nitrogen c. oxygen d. carbon. Matter have both physical and chemical propertiesb. I'm curious. Does the temperature of an ideal gas increase, decrease, or stay the same during an increase in pressure at constant volume? 1.Nonpolar molecules have partial charges which can lead to hydrogen bonding. 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). A d. be human made. Find the largest possible domain and the corresponding range of each function. polar covalent bond Which of the following is NOT an example of a physical property? 3. Which of the following is NOT a difference between a compound and a mixture? Oxygen atoms have a stronger pull on the electrons shared within a covalent bond formed between oxygen and hydrogen. 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. one potassium atom and one fluorine atom a. Li b. CO c. Cf d. CF4, Which of the following represent elements and which represent compounds? Which of the following pairs of elements is most likely to form an ionic compound? One carbon atom can combine with two oxygen atoms to form carbon dioxide. Plasma is a form of matter that exists when atoms are in an excited state. A) There are not enough neutrinos to make up all the dark matter. Classify the following as either an elemental substance or a compound: Sulfur dioxide. B) Dark matter consists 90% of neutrinos and 10% of WIMPs. 2. 2. 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? carbon Final Answer: Chairs, air, smells, nuts, cold drinks, and perfume smell: all matter since they take up space and contain material. Which of the following compounds is an organic compound? A pH between 0.0 and 7.0 is acidic. A chemical change is defined as a change in form of a substance in which a change in the chemical composition of the substance occurs. 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. 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. an amine group and an acid group Group of answer choices Gamma-rays X-rays Radio waves Electrons Sunlight This problem has been solved! Hydrogen, Ionic, Covalent. D) telescope lenses are distorted by gravity. The velocity-distribution data for gaseous rubidium atoms which confirmed the discovery of the BoseEinstein condensate in 1995. 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. The reactivity of an atom is based on the number of electrons in its outer valance shell. Triglycerides are composed of three fatty acids and one glycerol and are stable because they do not dissolve in water. To do this, scientists make the matter very, very cold. Water can form hydrogen and oxygen gas under . c) NaBr is a covalent compound and CO2 is an ionic compound. RNA carries out the orders for protein synthesis issued by DNA. Which of the following are meso compounds? Which of the following statements is true concerning the characteristics of either compounds or mixtures? They are all generally unreactive elements. Carpal tunnel syndrome (CTS) is a condition in which there is . Therefore, a solution with a pH of 8.3 is an alkaline (or basic) solution. Polar covalent bonds involve the transfer of electrons from electropositive atoms to electronegative atoms. What is an element and what is a compound? Use code SAVE50 or SAVE50P (for payment plans) Kidneys play a major role in helping to maintain proper levels of Na+ and K+ ions in the blood. synthase "Abortion pills carry the added risk that when these heightened . MgO2 Mg + O2 When broken (hydrolyzed), the high-energy phosphate bonds in the ATP molecule release the energy used to do cellular work. Weegy: Matter is not a form of energy. 2. In general, the matter has mass and occupies space. True D) Dark matter probably does not really exist, and rather indicates a fundamental problem in our understanding of gravity. Most liquids contract when they freeze but water expands, making it less dense when it becomes ice. Much like solids, liquids (most of which have a lower density than solids) are incredibly difficult to compress. Differentiate the functions given with respect to the independent variable. What is true about the composition of a compound, no matter where we happen to find the compound? The seed coat's most important function is to provide a) a nonstressful . Solids may break when pressed, but changing their shape is difficult, hence they are inflexible. They all have an incomplete valence electron shell. False. 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. Which of the following is not the state of matter? B) Neutrinos do not have any mass; they interact only through the weak force. 1. For the compounds, list the elements that are present. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 10-4 millimeters. an oxygen atom within a water molecule. 2. 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. What kind of elements form molecular compounds? 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? C) supermassive black holes were present in the very early universe. B) We are so close to these systems that we don't observe their expansion. c. Purines pair with purines, and pyrimidines pair with pyrimidines. Combining two elements to form a compound is called what? In addition, water has a high heat capacity and is considered a universal solvent since it dissolves more substances than any other known solvent. Then the pile of graphite is (b) ignited with a hot flame. Lipids that serve as hormones are derived from glycolipids. A pH between 7.0 and 14.0 is basic. Which of the following compounds contains the Mn3+ ion? Answer. A) massive blue stars Tertiary protein structure emerges when there is more than one peptide chain in a protein. D) We detect this gas with X-ray telescopes. one Physical Sodium gives up its valence shell electron (becoming a cation) to drop back to a stable valence shell, and chlorine gains one electron (becoming an anion) to fill its valence shell and become stable. Which of these compounds is most likely to be ionic? D) The universe would cease its expansion. The body of water with the higher concentration of electrolytes, in this case the human body, is the better conductor of electrical currents. The four electrons contributed by the hydrogen atoms will fill the valence shell of carbon. What type of chemical bond is most likely to occur between sodium and chlorine? Two matters will be fixed going forward. All of the listed responses are true. True 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) Dark energy is the dominant form of energy in the cosmos. Based on current understanding, how would that affect the universe at that time? Carbohydrates Biology, 21.06.2019 20:00. Except for elements 1 and 2, all other elements are stable with how many electrons in their outermost (valence) energy level? I < III < II But that phrase is actually outdated, as there are many more states of matter than that. The major function of DNA is to provide the genetic instructions for protein synthesis. 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. 17) What is the primary form of evidence that has led astronomers to conclude that the expansion of the universe is accelerating? The matter in the air is what supports the enormous weight of a plane. All matter is made up of atoms, which are in turn made up of protons, neutrons and electrons. For example, a swinging pendulum consists of matter, but its energy of motion is not matter. the kinetic energy of the reactants Give examples of each. Liquids cool as they evaporate because the energy transferred to surface molecules, which causes their escape, gets carried away with them. 4. B The particles of matter have spaces between them. Both of the illustrated reactions are exergonic and release the same amount of energy during product formation. 15) Some people wish that we lived in a recollapsing universe that would eventually stop expanding and start contracting. I am performing my Work Activities as an Email Marketing Specialist on Freelance platforms like Fiverr & Freelancer.com. The substrate absorbs chemical energy from the enzyme after binding to its active site. A gas has no definite shape or volume. These three states of matter are made up of atoms and have volume. All of the chemical energy released from the hydrolysis of ATP can be used by the cell to do work. 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. Which of the following elements is found in all organic compounds? 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. In this lesson, find the law of conservation of matter definition and understand what is conservation of matter. 9) Which of the following is not one of the three main strategies used to measure the mass of a galaxy clusters? The formation of a double bond (the sharing of two electron pairs) between each oxygen and the carbon would result in each of the three atoms achieving a full valence shell. 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. The matter is the substance that has mass and occupies space. d) NaB. This boiling point is the temperature and pressure at which a liquid becomes a gas. C and Fe b. Na and Cl c. Al and C d. H and O. 15) When we speak of the large-scale structure of the universe, we mean There are many definitions. can form hydrogen bonds Which of the following are elements and which are compounds?