Chemistry

Chemistry, 11.10.2019 18:30, kamerin46

Which of the following combinations of coefficients correctly balances this chemical equation: _h2s(g)+3o2(> 2so2(g)+_h2o(g)?

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Physics, 15.10.2019 06:30, yvette2003

Me with my quiz? 1.) which coefficients balance this equation? _h2 + _n2 -> _nh3 a. 1, 2, 3 b. 2, 3, 2 c. 3, 1, 2 d. 4, 1, 3 2.) which chemical equation is balanced? a. k2o + h2o -> koh b. k2o + h2o -> 2koh c. k2o + 2h2o -> 2koh d. 2k2o + 2h2o -> 2koh 3.) which chemical equation is balanced? a. co2 + 4h2 -> ch4 + 2h2o b. 4co2 + h2 -> ch4 + 2h2o c. co2 + 4h2 -> 2ch4 + 2h2o d. 2co2 + 2h2 -> 2ch4 + 2h2o 4.) which coefficients balance this equation? _ch4 + _o2 -> _co2 + _h2o a. 1, 1, 1, 1 b. 1, 1, 2, 1 c. 1, 2, 1, 2 d. 2, 1, 2, 1 5.) which coefficients balance this equation? _al + _o2 -> _al2o3 a. 2, 3, 1 b. 3, 2, 2 c. 4, 2, 2 d. 4, 3, 2

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