Chemistry, 01.06.2021 20:30 Questions138
A student determined that 2.5 grams of methane, CH4, produced 139kJ of heat in a bomb calorimeter. What is ΔE(rxn) for the combustion of methane in kJ/mole CH4?
Answers: 2
Chemistry, 22.06.2019 15:30
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
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Chemistry, 22.06.2019 17:10
Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.
Answers: 2
A student determined that 2.5 grams of methane, CH4, produced 139kJ of heat in a bomb calorimeter. W...
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