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A perfect gas has a constant volume molar heat capacity of CV,m = 1.5× R, and a constant pressure molar heat capacity of Cp,m = 2.5× R. For the process of heating 4.50 mol of this gas with a 12 W heater for 400 seconds, calculate a) q, w, ?T, and ?U for heating at a constant volume, b) q, w, ?T, and ?H for heating at a constant pressure.
Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas. How many grams of calcium hydride
Write the electron configuration of the alkali metal (M) that reacts with oxygen to yield an oxide, M2O, if 3.54 g of the metal reacts
Describe how you will prepare the 1.00 x 10-3 M phosphate solution using the phosphate stock solution provided (1.00 x 10-1 M) to create a 200 mL of 1.00 x 10-3 M phosphate solution.
What mass of carbon dioxide is produced from the complete combustion of 7.50×10^-3g of methane?
How much heat is required to warm 1.20 kg of sand from 26.0 0C to 100.0 0C?
The increase in the rate of reaction with temperature is due to A. increase in the number of effective collisions. B. decrease in activation energy.
Give the repeating unit of the polymers prepared by ADMET polymerization
A 54.7-g sample of aluminum at 95.0 oC is dropped into 35.0 g of water at 40.0 oC. What is the final temperature of the mixture? (specific heat capacity of aluminum = 0.89 J/goC; specific heat capacity of water = 4.184 J/g degreesC)
Acetone (CH3)2CO, has a larger dipole moment than water, but NaCl will not dissolve in it.
A 50 ml sample of .5 M HCl is titrated with .5 M NaOH. What is the pH of the solution after 28 ml of NaOH have been added to the acid
Exactly 25mL of this solution are diluted with deionized water to a new volume of 75mL. The absorbance of this solution is found to be 0.35. How many grams of Kool-Aid were in the opened package?
The soution in contact with the graphite electrode consists of dissolved Sn(NO3)2. The solution in contact with the copper electrode consists of dissolved CuNO3.
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