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WorksheetsChemy 4 (thermochemistry)
Total questions: 10
Worksheet time: 42mins
Name
Class
Date
1.
a)
A
b)
B
c)
C
d)
D
2.
a)
A. Heat is absorbed
b)
B. Heat is needed to start reaction
c)
C. The surrounding temperature increase
d)
D. The product contain more energy than the reactants
3.
a)
A. Sodium chloride
b)
B. Hydrochloric acid
c)
C. Ammonium nitrate
d)
D. Potassium hydroxide
4.
a)
A. 250 kJ - exothermic
b)
B. 250 kJ - endothermic
c)
C. 180 kJ - exothermic
d)
D. 180 kJ - endothermic
5.
a)
A
b)
B
c)
C
d)
D
6.
a)
A
b)
B
c)
C
d)
D
7.
a)
A. Endothermic reaction occurs
b)
B. The energy content of the product is higher than the reactants
c)
C. 65 kJ of heat is absorbed when 1 mol of silver chloride is formed
d)
D. The final temperature at the end of the raection is higher than the initial temperature
8.
a)
A
b)
B
c)
C
d)
D
9.
a)
A
b)
B
c)
C
d)
D
10.
a)
A. Ethanoic acid
b)
B. Hydrochloric acid
c)
C. Carbonic acid
d)
D. Sulphuric acid
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