Which of the following would have the highest vapor pressure? . a) 1.0 m solution of ionic compound sodium chloride (nacl). b) 1.0 m solution of ionic compound potassium chloride (kcl). c) 1.0 m solution of molecular compound sucrose (c12 h22 o11) . d) pure water

This is a mixture that has the same composition throughout.

Suppose a pair of chemical compounds a and b can react in two different ways: a + b -> c reaction 1 gives product c. a + b -> d reaction 2 gives product d. the following facts are known about the two reactions: . reaction 1 is endothermic and reaction 2 is exothermic. if a reaction vessel is charged (filled) with a and b , then at first d is produced faster than c. use these facts to sketch a qualitative reaction energy diagram for both reactions. note: because these sketches are only qualitative, the energies don? t have to be exact. they only have to have the right relationship to each other. for example, if one energy is less than another, that fact should be clear in your sketch.

What happens after sound waves create vibrations in the ear?