L3: Enthalpy

Question 1

state function that transferred heat between the system and surroundings at constant pressure. The

Answer 1

Enthalpy (H)

Question 2

The enthalpy of a reaction also known as

Answer 2

heat of reaction

Question 3

The ________, is equal to the difference between the enthalpy of the products and reactants.

Answer 3

change in enthalpy (🔼H)

Question 4

It depends also in the amount of reactants consumed in the process and on the physical states of both reactants and products

Answer 4

change in enthalpy (🔼H)

Question 5

Formula of change in enthalpy

Answer 5

ΔΗrxn - ΣΗproducts - ΣHreactants

Question 6

Change in enthalpy
at constant pressure and temperature,

Answer 6

ΔΗ = Q

Question 7

Endo

Exo

Answer 7

Equation
A+B+Heat->C

A+B -> C + heat

Question 8

A __________ is a balanced stoichiometric chemical equation that includes the amount of energy, in the form of heat, which is transferred in the reaction.

Answer 8

thermochemical equation

Question 9

____ usually expressed in kilojoules (kJ) or kilocalories (kcal). The amount of heat either absorbed or released in a reaction is called the _____

Answer 9

Heat, heat flow.