Chemistry, 24.09.2019 03:20 haydencheramie
The combustion of fuel in your car engine requires oxygen gas, which is supplied as air (21% oxygen molecules) into the engine. consider a car that is using 100% ethanol, c2h5oh, as fuel. if your engine intakes 4.73 l of air per minute at 1.00 atm and 25ºc, what is the maximum volume of ethanol (0.789 g/ml) that can be burned per minute? hint: you can ignore the "per minute" information because both the ethanol and air are being quantified per minute. enter your answer to three significant figures in units of ml.
Answers: 2
Chemistry, 23.06.2019 01:30
Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
Chemistry, 23.06.2019 01:40
Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?
Answers: 1
The combustion of fuel in your car engine requires oxygen gas, which is supplied as air (21% oxygen...
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