WorksheetsLesson 7 Investigating Reactions
Total questions: 22
Worksheet time: 11mins
What is a process that changes one set of chemicals into another set of chemicals?
chemical reaction
physical change
physical property
chemical property
What is a solid product formed from the reaction of two aqueous solutions?
precipitate
solute
solvent
solid
What is a way to describe a chemical reaction using chemical formulas and other symbols?
chemical formula
chemical element
chemical equation
chemical bond
What is a chemical substance that is present at the start of a chemical reaction?
reactant
product
yields
coefficient
What is a substance that is formed during a chemical change?
reactant
product
yield
cofficient
What is a big, whole number to the left of a chemical formula used to balance a chemical equation?
reactant
product
yield
cofficient
What is a small, whole number found below the normal line of text which tells the number of atoms of an element in a chemical formula?
product
subscript
reactant
coefficient
What is a type of chemical reaction that makes only one product?
synthesis
decomposition
double replacement
single replacment
What is a type of chemical reaction with only one reactant which breaks down into two or more simpler product?
synthesis
decomposition
double replacement
single replacement
What is a type of chemical reaction between a hydrocarbon and oxygen which products carbon dioxide and water and releases heat and light energy?
synthesis
combustion
replement
decomposition
What is a type of chemical reaction where one element replaces a similar element in a compound?
synthesis
decomposition
double replacement
single replacement
What is a type of chemical reaction where the ions of two compounds exchange places to form two new compound?
synthesis
decomposition
double replacement
single replacement
What is the law which states that matter can neither be created nor destroyed, only rearranged?
Law of Conservation of Matter
Law of Definite Proportions
Law of Multiple Proportions
Dalton's Law of Partial Pressures
In a chemical reaction, what is a reactant that is used up first and limits the amount of product made?
limiting reactant
excess reactant
actual yield
theoretical yield
What is a reactant that is left over after a chemical reaction ends?
limiting reactant
excess reactant
actual yield
theoretical yield
What is the study of the amount of substance involved in a chemical reaction?
mole
reactant
stoichiometry
product
What is the unit of measurement for the amount of substance in the International System of Unit (SI)?
mole
Kelvin
second
meter
What is the mass of one mole of a pure substance measured in units of grams per mole (g/mol)?
stoichiometry
mole
molar mass
mole ratio
What is the ratio of moles between any two substances given by the coefficients in a balanced chemical equation?
mole ratio
stoichiometry
mole
molar mass
What is a state of matter in a chemical equation indicating that a substance has been dissolved in water?
solid
liquid
gas
aqueous
What is a measure of solution concentration calculated as the number of moles of solute dissolved per liter of solution?
molarity
molality
mole fraction
percent by mass
What is the volume occupied by one mole of a gas at standard temperature and pressure (STP)?
molarity
mole ratio
molar mass
molar volume
