Which gas has the highest water solubility?

In this reaction, what volume of nitrogen gas can be produced by the reaction of 25.0 g of NaN3, if the temperature is 350 K and the pressure is 1.2 atmospheres? The formula mass of NaN3 = 65 g/mol. R= 0.08206 L*atm / K*mol

1. What does it mean for a compound to be ionic or covalent?   2. Classify the bonding in the compounds below as either ionic or covalent ( 2pts each)a. OH _____________b. NH _____________c. CO _____________d. CaCl ____________e. F2 ______________ 

Consider the following equation.  2 H2 (g) + O2 (g)  –> 2 H2O (g)   If 3.0 moles of H2 (g) react fully with oxygen how many moles of water will be made?

A gas sample in a container has a pressure of 2.4 atmospheres at a temperature of 0 °C.  If the volume of the gas doesn’t change, what is the pressure after the system is heated to 100 °C?

What is the frequency of a photon of light with a wavelength of 615 nm?

As the temperature rises, the solubility of all gases in water ___________________. 

.  The driving force of a neutralization reaction is the formation of ___.

Why do certain solutions mix and others do not? What causes some to float and others to sink? 

A 25.0 mL sample of HBr is neutralized by reaction with 20.0 mL of 3.00 M KOH.  What is the concentration of HBr is the unknown sample? *hint- find the concentration of the base first.