Chemistry, 13.05.2021 22:50, 2016gbryant
The PH of two solutions is 3 and 7 respectively, what is the ratio of [H]?
Answers: 3
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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?
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The PH of two solutions is 3 and 7 respectively, what is the ratio of [H]?...
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