State equations describing freezing-point depression

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1. Which would have a higher surface tension, H2O or C6H14? Why? Would the shape of the H2O meniscus in a glass tube be the same or different than C6H14?

2. Does Fe form a molecular solid or an atomic solid? Explain.

3. Why is molality used in the equations describing freezing-point depression and boiling-point elevation? Explain in detail and explain the reason why molarity is nto used.

4. Predict with substance would be more soluble in water, NH3 or PH3. Explain your choice.

Reference no: EM13179049

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