Questions from General Chemistry

Q: What does “STP” stand for? What conditions correspond to

What does “STP” stand for? What conditions correspond to STP? What is the volume occupied by one mole of an ideal gas at STP?

Q: For each of the following, make the indicated conversion, showing

For each of the following, make the indicated conversion, showing explicitly the conversion factor(s) you used. a. 593.2 kg to grams b. 593.2 lbs to grams c. 8.312 km to miles d. 8.312 ft to miles...

Q: In general, how do we envision the structures of solids and

In general, how do we envision the structures of solids and liquids? Explain how the densities and compressibilities of solids and liquids contrast with those properties of gaseous substances. How do...

Q: Describe some of the physical properties of water. Why is water

Describe some of the physical properties of water. Why is water one of the most important substances on earth?

Q: Define the normal boiling point of water. Why does a sample

Define the normal boiling point of water. Why does a sample of boiling water remain at the same temperature until all the water has been boiled? Define the normal freezing point of water. Sketch a rep...

Q: Are changes in state physical or chemical changes? Explain. What

Are changes in state physical or chemical changes? Explain. What type of forces must be overcome to melt or vaporize a substance (are these forces intramolecular or intermolecular)? Define the molar h...

Q: What is a dipole–dipole attraction? How do the strengths

What is a dipole–dipole attraction? How do the strengths of dipole–dipole forces compare with the strengths of typical covalent bonds? What is hydrogen bonding? What conditions are necessary for hydro...

Q: Define London dispersion forces. Draw a picture showing how London forces

Define London dispersion forces. Draw a picture showing how London forces arise. Are London forces relatively strong or relatively weak? Explain. Although London forces exist among all molecules, for...

Q: Why does the process of vaporization require an input of energy?

Why does the process of vaporization require an input of energy? Why is it so important that water has a large heat of vaporization? What is condensation? Explain how the processes of vaporization and...

Q: Define a crystalline solid. Describe in detail some important types of

Define a crystalline solid. Describe in detail some important types of crystalline solids and name a substance that is an example of each type of solid. Explain how the particles are held together in...