Tag Archives: chemistry

Calcium Hydroxide

The solubility of calcium hydroxide (Ca(OH)2) is given as:

The solubility is a factor of total hydroxide ion in the solution and the solvent hydroxide concentration. The solvent is the liquid in which the calcium hydroxide is dissolved. Which of the following would increase the solubility of calcium hydroxide?

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Will The Real Gas Please Stand Up

A real gas approaches the behavior of an Ideal Gas when:

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Pure Covalent Bond

Which of the following molecules has a bond that is nearest to a pure covalent bond?

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Photo attributed to Rudolf_Schuba.

Total Pressure in Container

For a mixture of gases in a container, the total pressure is equal to __________ because of what law?

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Enthalpy of a Gas

The enthalpy of a system of gas is dependent on which of the following?

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Tough Like A Diamond

The hardest substance known is diamond. Which best describes the structure of diamond?

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Nucleus Therapy

Which of the following is the process by which an unstable nucleus is transformed into a more stable nucleus with lower energy?

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Charge of Iron

Which of the following is the charge of iron in the compound, Fe(SO4)2?

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C-N Bond Differences

How does the C-N bond in CN-1 differ from the C-H bond in CH4?

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Gas Compression

A 1 mol sample of ammonia gas (NH3) at 1 atm and 273 K is compressed to 2 atm. What is the difference in volume before and after compression?

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Photo attributed to Rudolf_Schuba.