AC Review Reactions, Solutions, Stoichiometry

Front

Gases are more soluble at ______ temps and _____ pressures.

Back

low temps and high pressures.

Front

What is a solvent?

Back

The substance that does the dissolving in a solution.

Front

What mass of AgBr is formed when 35.5 mL of 0.184 M AgNO3 is treated with an excess of aqueous hydrobromic acid?

Back

1.23 g.

Front

What type of chemical reaction is this? 2Pb(NO3)2 --> 2PbO + 4NO2 + O2

Back

Decomposition.

Front

How many mols of HCl are in 3 liters of 2.0M HCl solution?

Back

6.0 mols.

Front

Define stoichiometry.

Back

The calculation of reactants and products in chemical reactions.

Front

What is the molarity of a solution?

Back

Molarity is the number of moles of solute per liter of solution.

Front

What is a chemical reaction?

Back

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

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance being dissolved, while a solvent is the substance doing the dissolving.

Front

What is the formula for calculating moles?

Back

Moles = Mass (g) / Molar Mass (g/mol).