CHEMISTRY- 7.6 Enthalpy- STUDY GUIDE WITH
100% CORRECT SOLUTIONS
Enthalpy (H) - ✔✔Total energy change in a chemical reaction.
Constant Pressure - ✔✔Condition where pressure remains unchanged during reaction.
ΔH - ✔✔Change in enthalpy during a reaction.
Internal Energy - ✔✔Total energy contained within a system.
Pressure-Volume Work - ✔✔Work done by or on a system due to volume change.
Endothermic Reaction - ✔✔Reaction that absorbs heat from surroundings.
Exothermic Reaction - ✔✔Reaction that releases heat to surroundings.
Heat at Constant Pressure (q_p) - ✔✔Heat exchanged during a reaction at constant pressure.
State Function - ✔✔Property dependent only on current state, not path taken.
ΔE - ✔✔Change in internal energy of a system.
Chemical Cold Pack - ✔✔Device that absorbs heat, causing cooling effect.
Combustion of Natural Gas - ✔✔Exothermic reaction used for cooking, releases heat.
, Thermodynamic Quantity - ✔✔Measure of energy changes in a system.
Sealed Container - ✔✔Closed environment preventing energy exchange with surroundings.
Open Beaker - ✔✔Container allowing heat and work exchange with surroundings.
Energy Evolution - ✔✔Transformation of energy during a chemical reaction.
Heat Exchanged - ✔✔Amount of thermal energy transferred during a reaction.
Large Volume Changes - ✔✔Significant changes in gas volume during reactions.
Positive ΔH - ✔✔Indicates heat flows into the system.
Negative ΔH - ✔✔Indicates heat flows out of the system.
Chemical Reaction - ✔✔Process where reactants transform into products.
Exothermic Reaction - ✔✔Chemical reaction releasing heat to surroundings.
Endothermic Reaction - ✔✔Chemical reaction absorbing heat from surroundings.
ΔH - ✔✔Change in enthalpy during a chemical reaction.
Negative ΔH - ✔✔Indicates an exothermic reaction's heat release.
100% CORRECT SOLUTIONS
Enthalpy (H) - ✔✔Total energy change in a chemical reaction.
Constant Pressure - ✔✔Condition where pressure remains unchanged during reaction.
ΔH - ✔✔Change in enthalpy during a reaction.
Internal Energy - ✔✔Total energy contained within a system.
Pressure-Volume Work - ✔✔Work done by or on a system due to volume change.
Endothermic Reaction - ✔✔Reaction that absorbs heat from surroundings.
Exothermic Reaction - ✔✔Reaction that releases heat to surroundings.
Heat at Constant Pressure (q_p) - ✔✔Heat exchanged during a reaction at constant pressure.
State Function - ✔✔Property dependent only on current state, not path taken.
ΔE - ✔✔Change in internal energy of a system.
Chemical Cold Pack - ✔✔Device that absorbs heat, causing cooling effect.
Combustion of Natural Gas - ✔✔Exothermic reaction used for cooking, releases heat.
, Thermodynamic Quantity - ✔✔Measure of energy changes in a system.
Sealed Container - ✔✔Closed environment preventing energy exchange with surroundings.
Open Beaker - ✔✔Container allowing heat and work exchange with surroundings.
Energy Evolution - ✔✔Transformation of energy during a chemical reaction.
Heat Exchanged - ✔✔Amount of thermal energy transferred during a reaction.
Large Volume Changes - ✔✔Significant changes in gas volume during reactions.
Positive ΔH - ✔✔Indicates heat flows into the system.
Negative ΔH - ✔✔Indicates heat flows out of the system.
Chemical Reaction - ✔✔Process where reactants transform into products.
Exothermic Reaction - ✔✔Chemical reaction releasing heat to surroundings.
Endothermic Reaction - ✔✔Chemical reaction absorbing heat from surroundings.
ΔH - ✔✔Change in enthalpy during a chemical reaction.
Negative ΔH - ✔✔Indicates an exothermic reaction's heat release.
