Chemistry, 31.03.2020 09:28 madisonrparks
How many grams of CO2 are produced by the combustion of 289 g of a mixture that is 28.6% CH4 and 71.4% C3H8 by mass?
Answers: 2
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Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
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Which of the following will cause an increase in the acceleration of an object? increase force decrease force increase mass decrease mass
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An uncovered pot of water lies out in the sun. which statements correctly describe what happens at the surface of the liquid water? 1. the vapor pressure remains constant regardless of the water temperature. 2. the vapor pressure is produced by water molecules that have evaporated. 3. the vapor pressure increases as the sun heats the water in the pot. 4. evaporation stops once the vapor pressure reaches a certain point. 5. evaporation and condensation both occur on the liquid’s surface.
Answers: 3
How many grams of CO2 are produced by the combustion of 289 g of a mixture that is 28.6% CH4 and 71....
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