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The number of joules required to heat one gram of a substance one degree Celsius is .
endothermic
temperature
exothermic
specific heat capacity
Answers: 3
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If 2 molecules of one reactant combine with 3 molecules of another to produce 5 molecules of a product, then what is the representation of the reaction?
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The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes
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Which of the following reactions is endothermic? h2(g) + ½ o2(g) h2o(g), h = -57.82 kcal ½n2(g) + o2(g) + 8.1 kcal no2(g) ½ n2(g) + 3/2 h2(g) nh3(g) + 11.0 kcal c(diamond) + o2(g) co2, h = -94.50 kcal
Answers: 2
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Which of the following is a property of nonmetals? a.nonmetals are ductile. b.nonmetals have a shiny luster. c.nonmetals have high density. d.nonmetals are nonconductors.
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The number of joules required to heat one gram of a substance one degree Celsius is .
endothermic
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