Chem 103 Module 4 EXAM WITH 100% RATED CORRECT REAL EXAM
QUESTIONS AND CORRECT ANSWERS| GRADED A+ | 2025 LATEST
VERSION | 100% VERIFIED
The number of entities comprising one mole of substance, equal to 6.022 x 10^23 -
(answer)Avogadro's number
Sum of the average masses for all atoms represented in a chemical formula; for covalent
compounds, this is also the molecular mass - (answer)formula mass
Mass in grams of one mole of a substance - (answer)molar mass
Amount of substance containing 6.022 x 10^23 atoms, molecules, ions, or other entities -
(answer)mole
The percentage by mass of each element in the compound - (answer)percent composition
Relationships between the amount of reactants and products of a chemical reaction -
(answer)stoichiometry
Ration of coefficients in a balanced chemical equation, used in computations relating amount of
reactants and products - (answer)stoichiometric factor
Amount of product formed in a reaction - (answer)actual yield
Reactant present in an amount greater than required by the reaction stoichiometry -
(answer)excess reactant
, Reactant present in an amount lower than required by the reaction stoichiometry, thus limiting
the amount of product generated - (answer)limiting reactant
Measure of the efficiency of a reaction, expressed as a percentage of the theoretical yield -
(answer)percent yield
Amount of product that may be produced from a given amount of reactants according to the
reaction stoichiometry - (answer)theoretical yield
Sum of the average atomic masses for all atoms represented in an empirical formula -
(answer)empirical formula mass
Symbols representing the relative numbers of a compound's elements - (answer)empirical
formulas
Analytical technique used to determine the elemental composition of a compound via the
collection and weighing of its gaseous combustion products - (answer)combustion analysis
A reaction in which energy is absorbed from the surroundings; requires energy -
(answer)endothermic
A reaction in which energy is released to the surroundings; releases energy - (answer)exothermic
Solution for which water is the solvent - (answer)aqueous solution
Qualitative term for a solution containing solute at a relatively high concentration -
(answer)concentrated
Quantitative measure of the relative amounts of solute and solvent present in a solution -
(answer)concentration
QUESTIONS AND CORRECT ANSWERS| GRADED A+ | 2025 LATEST
VERSION | 100% VERIFIED
The number of entities comprising one mole of substance, equal to 6.022 x 10^23 -
(answer)Avogadro's number
Sum of the average masses for all atoms represented in a chemical formula; for covalent
compounds, this is also the molecular mass - (answer)formula mass
Mass in grams of one mole of a substance - (answer)molar mass
Amount of substance containing 6.022 x 10^23 atoms, molecules, ions, or other entities -
(answer)mole
The percentage by mass of each element in the compound - (answer)percent composition
Relationships between the amount of reactants and products of a chemical reaction -
(answer)stoichiometry
Ration of coefficients in a balanced chemical equation, used in computations relating amount of
reactants and products - (answer)stoichiometric factor
Amount of product formed in a reaction - (answer)actual yield
Reactant present in an amount greater than required by the reaction stoichiometry -
(answer)excess reactant
, Reactant present in an amount lower than required by the reaction stoichiometry, thus limiting
the amount of product generated - (answer)limiting reactant
Measure of the efficiency of a reaction, expressed as a percentage of the theoretical yield -
(answer)percent yield
Amount of product that may be produced from a given amount of reactants according to the
reaction stoichiometry - (answer)theoretical yield
Sum of the average atomic masses for all atoms represented in an empirical formula -
(answer)empirical formula mass
Symbols representing the relative numbers of a compound's elements - (answer)empirical
formulas
Analytical technique used to determine the elemental composition of a compound via the
collection and weighing of its gaseous combustion products - (answer)combustion analysis
A reaction in which energy is absorbed from the surroundings; requires energy -
(answer)endothermic
A reaction in which energy is released to the surroundings; releases energy - (answer)exothermic
Solution for which water is the solvent - (answer)aqueous solution
Qualitative term for a solution containing solute at a relatively high concentration -
(answer)concentrated
Quantitative measure of the relative amounts of solute and solvent present in a solution -
(answer)concentration
