(a)
Interpretation: The physical property, melts at
Concept Introduction: The property that identifies only the form of a chemical substance and the chemical composition remains the same is said to be physical property. The property that described the ability of a substance to undergo chemical change is said to chemical property.
(b)
Interpretation: The physical property, insoluble in water should be matched to hexane,
Concept Introduction: The property that identifies only the form of a chemical substance and the chemical composition remains the same is said to be physical property. The property that described the ability of a substance to undergo chemical change is said to chemical property.
(c)
Interpretation: The chemical property, does not burn in air should be matched to hexane,
Concept Introduction: The property that identifies only the form of a chemical substance and the chemical composition remains the same is said to be physical property. The property that described the ability of a substance to undergo chemical change is said to chemical property.
(d)
Interpretation: The physical property, is a liquid at room temperatureshould be matched to hexane,
Concept Introduction: The property that identifies only the form of a chemical substance and the chemical composition remains the same is said to be physical property. The property that described the ability of a substance to undergo chemical change is said to chemical property.
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Basic Chemistry
- 5. H H :0: It evaporates easily because of the lack of hydrogen bonding. :N-с—с-— 0: Na+ It is an ionic solid at room temperature. нн It is not soluble in water. Which of the following statements is true about sodium glycinate, represented above? It dissolves in water to form an acidic solution. CLEAR ALLarrow_forwardChemistry 1. Glycerol, CH2(OH)CH(OH)CH2OH, has a 3 carbon chain with -OH groups coming off of each carbon. This thick, syrup like liquid is used in anti-freeze and as a food additive. Hexaoctane, C18H38, is a greasy wax-like solid at room temperature. Using this information rank molecules in order of increasing boiling point and justify your answer: PCl2F, H2O, SeS3, MgS, Glycerol, CH4, CaS, PF2Cl, Hexaoctane, Nearrow_forwardIn which substance are the electrostatic forces between molecules the strongest? propane glycerin turpentine acetonearrow_forward
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- Consider two molecular compounds represented by the Lewis structures shown below. Substance 1 Substance 2 Which of the following best predicts and explains their relative melting points (mp)? Ranking Explanation A) mp(1)>mp(2) Substance 1 is larger than Substance 2. Its gravitational interactions between molecules are stronger, requiring more energy to break. B) mp(1)>mp(2) Substance 1 has more hydrogen bond donor and acceptor sites, so it can engage in a more hydrogen bonds, requiring more energy to break. C) mp(1)<mp(2) Substance 1 is more symmetric than Substance 2, so its dipole-dipole forces are weaker, requiring less energy to break. D) mp(1)<mp(2) Substance 1 is larger than Substance 2, so it can’t pack as tightly together, resulting in a lower melting point. E) mp(1)=mp(2) Substance 1 and Substance 2 are the same molecule, shown in different representations. Therefore, they have the same melting point.arrow_forward[30]arrow_forwardWhich of the following represents a chemical property of methanol? Select one: a. It evaporates quickly at room temperature. b. It burns in air to form CO2 and H2O. c. It freezes -187.7°C. d. It mixes completely with water. e. None of the above. *Just would like the answer, no work needed*arrow_forward
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