preAP unit 3 - stoich plus gases 2024

Front

What is a limiting reactant?

Back

The limiting reactant is the substance that is completely consumed in a chemical reaction, limiting the amount of product formed.

Front

What is an excess reactant?

Back

An excess reactant is a substance that is not completely consumed in a chemical reaction and remains after the reaction is complete.

Front

How do you calculate the number of formula units in a given amount of moles?

Back

Multiply the number of moles by Avogadro's number (6.022 x 10^23) to find the number of formula units.

Front

What is the ideal gas law equation?

Back

The ideal gas law is represented by the equation PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the ideal gas constant, and T is temperature in Kelvin.

Front

How does temperature affect gas pressure?

Back

According to Gay-Lussac's Law, if the volume of a gas is held constant, increasing the temperature will increase the pressure.

Front

What is stoichiometry?

Back

Stoichiometry is the calculation of reactants and products in chemical reactions based on the balanced chemical equation.

Front

What is a synthesis reaction?

Back

A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product.

Front

What is a decomposition reaction?

Back

A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler products.

Front

What is a single replacement reaction?

Back

A single replacement reaction is a type of chemical reaction where one element replaces another element in a compound.

Front

What is a double replacement reaction?

Back

A double replacement reaction is a type of chemical reaction where the anions and cations of two different compounds exchange places, forming two new compounds.