Solids retain their shape and size, if kept constant temperature and pressure. At a constant temperature and pressure, liquids retain their:

a. volume

b. shape

c. size

d. shape and volume

Define a balance equations:

How many moles of hydrogen gas can be produced from 4 moles of aluminum?

The symbol ∆hf0 stands for

Which relationship or statement best describes delta s for the following reaction: 2H2S (g) + 3O2 (g) - -> 2H2O (g) a) Delta S = 0 b) Delta S < 0 c) Delta S> 0 d) Delta S = Delta H |T e) More information is needed to make a reasonable prediction.

What is the mass of a 2.00 cm3 piece of balsa wood having a density of 0.160 g/cm3?

The diagram to the right shows energy for two reactions, A and B. Which reaction has the higher Gpx?

To be considered a source of water pollution, the source must include a chemical.

2,000 kJ worth of heat is absorbs by each of the following objects. Which object will experience the smallest temperature change

How are real gases different from ideal gases?

Which one doesnt belong in the list below? A. a meter B. one liter C. One centimeter D. one kilometer