Chemical reactions
The number written in front of a chemical formula
Coefficient
Percent by mass of each element in a compound
Percent composition
Stoichiometry is based on the law of ____________
Law of conservation of mass
Boyle's law states that for a gas at constant temperature
As the volume increases the pressure decreases, and vice versa.
Gay - lussac's law can be expressed as
P1/T1 = P2/T2
A reaction involving the exchange of positive ions between two compounds dissolved in water.
Double-replacement reaction
Mass in grams of any one mole of a pure substance
Molar mass
In a balanced chemical equation, the numbers of individual particles and the number of moles of particles are represented by the ___________
Coefficients
Charle's law states that for a gas at constant pressure
The volume increases as the temperature increases.
For Gay-lussac's law to be applicable a container must be
Rigid
A reaction in which a compound breaks down into two or more elements or new compounds.
Decomposition reaction
SI base unit used to measure the amount of a substance
Mole
Mole ratios for a reaction are obtained from the _____
Balanced chemical equation
gay-Lussac's law states that, for a gas at constant volume, such as in a rigid container, the relationship exists between.
pressure and temperature
pressure equals
force/area
A reaction in which the atoms of one element replace the atoms of another in a compound.
Single-replacement reaction
Avogadro's number
The actual yield of a product is _______
Measured experimentally
Boyle's law can be expressed mathematically as
P1V1 = P2V2
Motor oil forms a colloid with water only when added by
an emulsifying agent
A statement that uses chemical formulas to show the identities and relative amounts of the substance involved in a chemical reaction.
Chemical equation.
Formula of a compound with the smallest whole-number mole ratio of the elements.
Empirical formula
Percent yield of a product is a measure of a reactions ________
Efficiency
Charle's law can be expressed mathematically as
V1/T1 = V2/T2
atmospheric pressure is measured with
barometer