Chemistry, 10.11.2019 23:31 ashleymarina
2.1 g of a hydrocarbon fuel is burned in a calorimeter that contains 280 grams of water initially at 25.00◦c. after the combustion, the temperature is 26.55◦c. how much heat is evolved per gram of fuel burned? the heat capacity of the calorimeter (hardware only) is 92.3 j/◦c.
Answers: 2
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Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset
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The number at the end of an isotope’s name is the number.
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Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
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2.1 g of a hydrocarbon fuel is burned in a calorimeter that contains 280 grams of water initially at...
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