Chemistry B CP Test 2 Review

Front

What is the mass of 4.98 x 10^24 atoms of Zn?

Back

541 g Zn

Front

What does the constant bombardment of gas particles against the walls of a container create?

Back

Pressure

Front

Identify the type of reaction: 2Pb(NO3)2 → 2PbO + 4NO2 + O2

Back

Decomposition

Front

Determine the temperature in °C required for 0.0470 mol of gas to fill a balloon to 1.20 L under 0.998 atm pressure.

Back

38 °C

Front

How many moles of Fe can be made from 6.0 moles H2 and excess Fe2O3?

Back

4.0 moles Fe

Front

What is the ideal gas law equation?

Back

PV = nRT

Front

Define molar mass.

Back

The mass of one mole of a substance, typically expressed in grams per mole (g/mol).

Front

What is the relationship between pressure and volume in a gas at constant temperature?

Back

Boyle's Law: P1V1 = P2V2.

Front

What is the definition of a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the significance of the coefficients in a balanced chemical equation?

Back

They indicate the relative amounts of reactants and products involved in the reaction.