Chemistry, 24.10.2019 01:00 lamooothegoat
Ethanol, c2h6o, is most often blended with gasoline - usually as a 10 percent mix - to create a fuel called gasohol. ethanol is a renewable resource and ethanol-blended fuels, like gasohol, appear to burn more efficiently in combustion engines. the heat of combustion of ethanol is 326.7 kcal/mol. the heat of combustion of octane, c8h18, is 1.308×103 kcal/mol. how much energy is released during the complete combustion of 406 grams of octane ? kcal assuming the same efficiency, would 406 grams of ethanol provide more, less, or the same amount of energy as 406 grams of octane?
Answers: 2
Chemistry, 22.06.2019 03:40, 19thomasar
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
Answers: 3
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