Lab: Reaction Rate Answers
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1
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2H2(g) + O2(g) 2H2O(l) + 136.6 kcalThis reaction is .
A
exothermicB
endothermic2
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The H value is .
A
positiveB
negative3
Heat is a .
A
reactantB
product4
2HgO(s) + 43.4 kcal 2Hg(l) + O2(g)This reaction is .
A
exothermicB
endothermic6
Heat is a .
A
reactantB
product7
The H value is .
A
positiveB
negative8
CH4(g) + 2Cl2(g) CCl4(g) + 2H2(g)Which of these are true for the reaction above? Check all that apply.
A
Hrxn is –31.9 kJ.B
Hrxn is -181.5 kJ.C
The reaction is endothermic, +H.D
The reaction is exothermic, –H.E
Heat is a product.Did you find these answers helpful?
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