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What is the percentage composition of carbon in the compound ch4
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If the enthalpy value for a reaction is negative, what does that indicate about the reaction?
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Equal volumes of h2 and o2 are placed in a balloon and then ignited. assuming that the reaction goes to completion, which gas will remain in excess? 2h2 + o2 → 2h2o a. both are in equal proportion b. oxygen c. water d. hydrogen
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