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Chemistry, 13.07.2019 11:40 marcucciisabella
If you begin with 2.7 g al and 4.05 g cl2, what mass of alcl3 can be produced?
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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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If you begin with 2.7 g al and 4.05 g cl2, what mass of alcl3 can be produced?...
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