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WAEC Chemistry 2020 Paper
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© africaexams.com
Question : 27
Total: 49
Which of the following standard conditions is not correct about energy changes?
Standard temperature is 298K
B. Standard pressure is 1 atm
Concentration of solution must be
1
mol
∕
dm
3
ΔH at 298 K is the activation energy
Validate
Solution:
the standard conditions of
1 atm pressure and 298K.
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