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When 25.0 g of Zn reacts, how many L of H2 gas are formed at STP? Zn (s) + 2 HCl (aq) –> H2 (g) + ZnCl2 (aq)

The solubility of KCl is 34 g/100 ml water at 20˚C.  Which of the following will result in saturated solution?

 What is the IUPAC name of this compound (refer to exam picture sheet)?  

The force of the collisions of gas molecules against the walls of a container is called

A tank contains a mixture of helium, neon, and argon gases.  If the total pressure in the tank is 490 mmHg and the partial pressures of helium and argon are 215 mmHg and 0.134 atm, respectively, what is the partial pressure of neon?

How many kcal are produced when 32.0 CH4 g reacts in the reaction shown below? CH4 (g) + 2 O2 (g) –> 2 H2O (g) + 218 kcal

The molar mass of calcium hydroxide Ca(OH)2, is

In the following reaction, when the equation is correctly balanced, what is the correct coefficient for aluminum chloride? Al (s) + Cl2 (g) –> AlCl3 (s)

How many grams of hydrogen are needed to produce 1.80 g of water according to this equation? 2 H2 (g) + O2 (g) –> 2 H2O (l)

When 85.0 g of CH4 are mixed with 160.g of O2, the limiting reactant is CH4 (g) + 2 O2 (g) –> CO2 (g) + 2 H2O (g)