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. the e... 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.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is incorrect. For an endothermic reaction, the enthalpy change is positive, indicating that energy is absorbed.
Step 2
B. equilibrium can never be achieved.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is also incorrect. Endothermic reactions can reach equilibrium; it depends on the specific conditions of the reaction.
Step 3
C. the reaction absorbs energy from its surroundings.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is correct. An endothermic reaction is characterized by the absorption of heat from the surroundings.
Step 4
D. the enthalpy of the reactants is higher than the enthalpy of the products.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is incorrect. In an endothermic reaction, the enthalpy of the products is higher than that of the reactants due to the absorbed energy.