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You are testing some novel fuel mixtures for potential use in automobiles. Your testing apparatus is a 2.54-cm inner diameter cylinder fitted with a piston, designed to mimic a cylinder found in a car engine. A fuel/air mixture is ignited while a force of 269.0 N is applied to the piston. If there are 0.280 mol of gas after combustion at 330.0°C, and the atmospheric pressure is 1.01325 × 105 Pa,
1) what is the pressure of gas inside the cylinder at these initial conditions? Assume the combustion products behave ideally.
2.What is the volume of gas in the cylinder?
A Why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical compounds? What does this tell us about the nature of matter?
We did a lab in Chem where we put a liquid into a flask, secured foil on the top and poked a hole in the foil so the vapor could push out the air
The relative sweetness of sucralose is 60000. The relative sweetness of sugar is 100. How many grams of sucralose would you need for a solution that has the same sweetness as one made with 2.00g of sugar
How many grams of water can be cooled from 30 degrees C to 18 degrees C by the evaporation of 49g of water? (The heat of vaporization of water in this temperature range is 2.4kJ/g . The specific heat of water is 4.18J/k
What is the pH of a solution obtained by mixing 45 ml of 0.050 M NaOH with 25 ml of 0.250 M Ba(OH)2
Mercaptoacetic acid and NH3 were introduced, production of the complex with the former resulted in the release of an equivalent amount of EDTA, which required a 22.85-mL titration with 0.07238 M Mg2+. Calculate the percent Cu and Ni in the alloy.
calculate the number of calories required of heat energy required for warming 39.8 grams of water from 19.9 degrees Celcius to 30 degrees Celcius.
the R enantiomer and 19.0% of the S enantiomer, what is the enantiomeric excess of the mixture?
A chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 210.0 MPa.
Trichlorofluoromethane (CCl3F) boils at 23.8C, and its molar heat of vaporization is 24.8 kJ/mol. Calculate the molar entropy of evaporation of CCl3F(l).
A study of this system reveals that there are 4.0E-3 moles of sulfur dioxide gas, and 4.9E-3 moles of oxygen gas present in a 9.0L flask at equilibrium. The equilibrium constant for this reaction is 4.1E-3. Calculate the number of moles of SO3(g) ..
The concentration of each gas once equilibrium is reached. The new equilibrium concentrations if the volume is suddenly halved (still at 298K)
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