Enthalpy

Question 1

What is the equation for 🔼H

Answer 1

🔼H = 🔼HProducts- 🔼H reactants

Question 2

What is an exoteric reaction

Answer 2

Negative, making bonds

Question 3

What is an endothermic reaction

Answer 3

Positive breaking bonds

Question 4

In how to display an exoteric,I creation

Answer 4

Start high end low

Question 5

How to display an endothermic reaction

Answer 5

Start low end high

Question 6

Standard conditions

Answer 6

RTP 1 mol dm-3

Question 7

🔼fH

Answer 7

When one mole of a compound is formed from its elements standard states and conditions

Question 8

🔼cH

Answer 8

When one mole of a substance is completely burned in oxygen

Question 9

🔼neutH

Answer 9

When one mole of water is formed when an acid and base react

Question 10

What is the equation for specific heat capacity

Answer 10

Q=MC🔼T

Question 11

How accurate is the specific heat equation

Answer 11

Doesn’t take into account heat loss to surroundings
Incomplete combustion
Not standard conditions
Evaporation of fuel

Question 12

What is average bond enthalpy

Answer 12

Energy required to break one mole of bonds from gaseous molecules

Question 13

Hess cycle formation

Answer 13

Reactants Products

                Elements 

Arrows up

Question 14

Hess cycle combustion

Answer 14

Reactants Products

                   Co2 and water

Arrows down

Question 15

🔼H

Answer 15

-Q/N

Question 16

What is the standard enthalpy change of a reaction

Answer 16

The enthalpy change of a reaction that accompanies it in its molar quantities shown in its chemical reactions