During which phase change will two grams of water
release 668 joules of heat energy?
A....
Chemistry, 11.01.2021 16:30 glamourgirlno1foev
During which phase change will two grams of water
release 668 joules of heat energy?
A. melting
B.
freezing
C.
vaporization
D. condensation
Answers: 3
Chemistry, 23.06.2019 03:00
Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions
Answers: 1
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Chemical engineering who specializes in negotiating for large purchases and instructing customers in use of the products are
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Chemistry, 23.06.2019 06:40
The combustion of methane, ch4, releases 890.4kj/mol. that is, when one mole of methane is burned,890.4 kj are given off to the surroundings. this meansthat the products have 890.4 kj less than the reactants.thus, ah for the reaction = - 890.4 kj. a negative symbolforah indicates an exothermic reaction.ch (g) + 20 (g)> co2 (g) + 2 h0 (1); ah = - 890.4 kga) how much energy is given off when 2.00 mol of ch,are burned? b) how much energy is released when 22.4g of ch. areburned?
Answers: 1
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