Consider the reaction shown:
452 kcal + 4 PCl5(s) → P4(s) + 10 Cl2(g)
This reaction is ________ because the sign of ΔH is ________.
A) endothermic;positive
B) exothermic;positive
C) endothermic;negative
D) exothermic;negative
E) exothermic;neither positive nor negative
Correct Answer:
Verified
Q5: Consider the reaction shown:
N2 + O2 →
Q6: The scientific principle which explains the observation
Q7: All of the statements regarding the symbol
Q8: Consider the reaction shown:
P4(s)+ 10 Cl2(g)→ 4
Q9: If heat is consumed during a reaction,the
Q11: A process or reaction which releases heat
Q12: Which of the following contains kinetic energy?
A)bicylce
Q13: Consider the reaction shown:
2 CO(g)+ O2(g)→ CO2(g)+
Q14: Which of the following contains potential energy?
A)person
Q15: A process or reaction which takes in
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