A chemical reaction releases 55.2 kcal. How many kilojoules does this correspond to?
A) 231 kJ
B) 0.231 kJ
C) 13.2 kJ
D) 1,320 kJ
Correct Answer:
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Q12: The law of conservation of energy states
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Q14: Consider the reaction: C3H8(g)+ 5 O2(g)→ 3
Q15: Which bond is the weakest?
A)H-Br
B)H-Cl
C)H-F
D)H-I
Q16: Which of the following is a true
Q18: Which of the following energy quantities is
Q19: Which bond is the strongest?
A)H-Br
B)H-Cl
C)H-F
D)H-I
Q20: Catalysts accelerate a reaction by _.
A)lowering the
Q21: Which statement about catalysts is NOT true?
A)A
Q22: An equilibrium constant with a value of
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