For the combustion of hydrogen gas with oxygen gas to yield water vapor. part a calculate the standard entropy change (1 bar) at 298 k.

Convert the measurement 345.82 Kelvin to degrees Celsius.

When one material disperses in another due to the random motion of particles, it is called

Hen water ionizes, it produces equal amounts of hydrogen and hydroxide ions that can reassociate with each other. the ph of water is:

What is the function of a vacuole

Which atoms have the same number of neutrons? 1) H-1 and He-3 2) H-2 and He-3 3) H-3 and He-3 4) H-3 and He-4

Calculate how to prepare 250.00 ml of approximately 1.0 m hcl solution from the 2.5 m hcl solution. show your work.

If the volume of 0.100M HCl delivered to 10.0mL of NaOH is 12.0mL the NaOH concentration is

The mass of 126c is exactly 12 u. what is the total binding energy of this nucleus?

A reaction is in equilibrium as shown: a + b c + d. calculate the equilibrium constant if the final concentrations stabilize at: a = 9.60 m b = 10.0 m c = 4.00 m d = 4.00 m 0.167 0.408 2.45 5.99

When 10 liters of a gas at 1 atm is compressed to 3 liters at constant temperature, what property of the gas changes?