Chemistry, 25.11.2019 19:31 aletadaboss
Which statement is false? a. δhrxn is the heat of reaction. b. δerxn is a measure of heat. c. an exothermic reaction gives heat off heat to the surroundings. d. endothermic has a positive δh. e. enthalpy is the sum of a system's internal energy and the product of pressure and volume.
Answers: 3
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Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine
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Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?
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Which statement is false? a. δhrxn is the heat of reaction. b. δerxn is a measure of heat. c. an ex...
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