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Consider separate 1.0 L samples of the following gases at STP: Cl2, C2H6, and Xe.
Which of the following statements are true regarding these gas samples?
t/f The Xe gas sample has the highest density.
t/f The Cl2gas sample has the most molecules of gas present.
t/f The C2H6gas sample has the smallest average kinetic energy.
t/f The Xe gas molecules collide with the container walls most frequently.
t/f Each Cl2gas particle collision with the container wall is more forceful as compared to each C2H6and Xe collision.
t/f The mass of the gas in each container is the same.
Depict the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.
For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
At a certain temperature the vapor pressure of the pure benzene is 150 mm of Hg as well as that of pure toulene is 50 mm of hg. For this temperature, compute the vapor pressure of the solution containing equal weights of two substances.
From data below, calculate the total heat (in J) associated with the conversion of 0.412 mol ethanol gas (C2H6O) at 501°C and 1 atm to liquid ethanol at 25.0°C and 1 atm
How much heat is required to warm 229 g of ice from -44.9C to 0.0C, melt the ice, warm the water from 0.0C to 100.0C, boil the water, and heat the steam to 173.0C.
Calculate the percent yield of 1.0 grams of salicylic acid obtained from the hydrolysis of 1.3 mL of methyl salicylate.
A mixture of propane and butane is fed into a furnace where it is mixed with air. The furnace exhaust leaves the furnace at 285°C, 761.0 mmHg and contains only N2, O2, CO2, and H2O.
A gas occupies a volume of 925mL at 30 degrees celcius and 1.2atm. What volume will it occupy at STP?
The enzyme, carbonic anhydrase, is a large zinc-containing protein with a molar mass of 3.00 × 104 g/mol. Zn is 0.218% by mass of the protein.
What is the concentration of chlorine ( in mg/L) of household bleach that contains 5.25% by weight of CL2. Assume the density of water = 1,000 kg/m^3.
Which metal will react spontaneously with nitrate in acidic solution to form NO, but not with an acidic solution containing H+ only to form H2? Please explain. Answer choices: Na, Zn, Cu, F2, & Al
Comparing potassium nitrate (KNO3) and sodium chloride (NaCl), which chemical's solubility (in water) is most affected by change in temperature.
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