Thermochemical Equations definitions Flashcards
Thermochemical Equations definitions
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Stoichiometry
Numerical relationship between compounds in a balanced chemical equation.Enthalpy
Measure of heat absorbed or released during a chemical reaction.ΔHrxn
Symbol representing the enthalpy change of a chemical reaction.Thermochemical Equation
Balanced chemical equation that includes the enthalpy change of reaction.Thermochemical Stoichiometric Chart
Tool for converting between quantities and associated enthalpy change in reactions.Mole-to-Mole Comparison
Process of using coefficients in a balanced equation to relate moles of reactants and products.Delta H to Mole Comparison
Key process in thermochemical equations relating enthalpy change to moles of compounds.Balanced Chemical Equation
Equation with equal numbers of each type of atom on both sides of the reaction.Moles of Given
Quantity of a compound used as a starting point in stoichiometric calculations.Moles of Unknown
Quantity of a compound determined through stoichiometric calculations.Coefficients
Numbers in a balanced equation indicating the ratio of moles of reactants and products.Grams of Given
Mass of a compound used as a starting point in stoichiometric calculations.Formula Units
Smallest whole number ratio of ions in an ionic compound.Ions
Charged particles formed when atoms gain or lose electrons.Atoms
Basic units of chemical elements, consisting of a nucleus and electrons.