For an endothermic reaction
A - VCE - SSCE Chemistry - Question 2 - 2010 - Paper 1
Question 2
For an endothermic reaction
A. the enthalpy change is negative.
B. equilibrium can never be achieved.
C. the reaction absorbs energy from its surroundings.
D. th... show full transcript
Worked Solution & Example Answer:For an endothermic reaction
A - VCE - SSCE Chemistry - Question 2 - 2010 - Paper 1
Step 1
A. the enthalpy change is negative.
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Answer
This statement is incorrect. In an endothermic reaction, the enthalpy change is positive as the system absorbs heat.
Step 2
B. equilibrium can never be achieved.
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Answer
This statement is also incorrect. Endothermic reactions can reach equilibrium, just like exothermic reactions.
Step 3
C. the reaction absorbs energy from its surroundings.
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Answer
This statement is correct. In an endothermic reaction, energy is absorbed from the surroundings, resulting in a decrease in the temperature of the surroundings.
Step 4
D. the enthalpy of the reactants is higher than the enthalpy of the products.
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Answer
This statement is incorrect. For an endothermic reaction, the enthalpy of the products is higher than that of the reactants, as energy has been absorbed.
