Interpretation: Among the given compounds,
Concept introduction:
The state of a substance depends on the intermolecular forces present in a molecule.
The liquid state of a compound is due to the presence of intermolecular hydrogen bonding.
Hydrogen bonding takes place in a compound that contains a hydrogen atom attached to an electronegative atom like nitrogen, oxygen, or fluorine.
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Chapter 12 Solutions
Introductory Chemistry, Books a la Carte Edition & Modified MasteringChemistry with Pearson eText -- ValuePack Access Card -- for Introductory Chemistry Package
- You and a friend each synthesize a compound with the formula XeCI2F2. Your compound is a liquid and your friend's compound is a gas (at the same conditions of temperature and pressure). Explain how the two compounds with the same formulas can exist in different phases at the same conditions of pressure and temperature.arrow_forwardArrange the following substances in order of increasing strength of crystal forces: CO2, KCl, H2O, N2, CaO.arrow_forwardWhich of the following compounds would be expected to form intermolecular hydrogen bonds in the liquid state? (a) H2Se (b) HCO2H (formic acid) (c) HI (d) acetone, (CH3)2COarrow_forward
- Associate each of the solids BN, P4S3, Pb, and CaCl2 with one of the following sets of properties. a A bluish white, lustrous solid melting at 327C; the solid is soft and malleable. b A white solid melting at 772C; the solid is an electrical nonconductor but dissolves in water to give a conducting solution. c A yellowish green solid melting at 172C. d A very hard, colorless substance melting at about 3000C.arrow_forwardConsider two different organic compounds, each with the formula C2H6O. One of these compounds is a liquid at room conditions and the other is a gas. Write Lewis structures consistent with this observation, and explain your answer. (Hint: The oxygen atom in both structures satisfies the octet rule with two bonds and two lone pairs.)arrow_forwardOn the basis of the description given, classify each of the following solids as molecular, metallic, ionic, or covalent network. Explain your answers. a a lustrous, yellow solid that conducts electricity b a hard, black solid melting at 2350C to give a nonconducting liquid c a nonconducting, pink solid melting at 650C to give an electrically conducting liquid d red crystals having a characteristic odor and melting at 171Carrow_forward
- Which of the following do you expect to be molecular solids? a silicon tetrachloride, SiCl4 b lithium bromide, LiBr c sodium fluoride, NaF d bromine chloride, BrClarrow_forwardDecide which substance in each of the following pairs has the lower melting point. Explain how you made each choice. a potassium chloride, KCl; or calcium oxide, CaO b carbon tetrachloride, or hexachloroethane, c zinc, Zn; or chromium, Cr d acetic acid, CH3COOH; or ethyl chloride, C2H5Clarrow_forward
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