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Equations for enthalpy changes

Authored by Andy Booth

Chemistry

11th Grade

Used 30+ times

Equations for enthalpy changes
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10 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

H(products) - H(reactants)

Enthalpy change

H(reactants)- H(products)

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What are standard conditions?

tick the correct boxes

1 atm, 298K, 1moldm-3

101kPa, 25oC, 1moldm-3

101 atm, 25K, 1moldm-3

1kPa, 298oC, 1moldm-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

CH4 + O2--> C+ H2O

CH4(g) + O2(g)--> C(s)+ H2O(l)

C(s) + O2(g) --> CO2(g)

C + O2--> CO2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

CH4(s) + O2(g) --> CO2(g) + H2O(g)

CH4(g) + O2(g)--> C(s)+ H2O(l)

CH4(s) + 2O2(g) --> CO2(g) + 2H2O(g)

CH4(g) + 2O2(g) --> CO2(g) + 2H2O(l)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

C + O2 --> CO2

CH4(g) + O2(g)--> C(s)+ H2O(l)

CH4 + O2--> C+ H2O

C(s) + O2(g)--> CO2(g)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The enthalpy change which occurs when one mole of the compound is formed from its elements under standard conditions, and with everything in its standard state.

Delta H c

Delta H f

Delta H r

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2H2 + O2 --> 2H2O

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