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The volume of a sample of gas collected over water at 32.0 degree Celsius and 752 torr is 627 ml. What will the volume of the gas be when dried and measured at STP ( vapor pressure of water at 32 degree Celsius=35.7 torr)
A portable water heater transfers 225 watts of power to 5.5 L of water. How much time will it take the water heater to heat the 5.5 L of water from 22 to 40 degrees Celsius?
Calculate the pressure of 4 g of nitrogen gas in a 1 L container at 20.0 ?C.
calculate enthalpy change for the quantity of zinc reacted. Be sure to follow the significant figures convention in the answer you report.
Although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. Complete the mechanism and draw the missing substances.
solid NaI is slowly added to a solution that is 0.010 M in Cu+ and 0.010 M in Ag+. which compound will begin to precipitate first?
How many liters of F2 at STP could be liberated from the electrolysis of molten NaF under a 2.16 ampere current
What is the predicted pH of the following: 0.1M HCl, 0.01M HCl, 0.001M HCl, 0.1M HC2H202, 0.1 M HC2H3O2, 0.1 M NH4Cl, deonized water
A metal rod has a mass of 17.62 g. A graduated cylinder contains 28.9 mL of water. The metal rod is added to the cylinder. The final water level in the cylinder is 35.1 mL. What is the density of the metal rod?
A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.
Consider the malate dehydrogenase reaction from the citric acid cycle. Given the following concentrations, calculate the free energy change for this reaction at 37.0 °C (310 K). ?G°\' for the reaction is 29.7 kJ/mol. Assume that the reaction occur..
you mix 242 grams of NaCl with enough water to form 500 mL of solution. What is the final molarity?
draw the shape of the molecules and give the orbital geometry around the central atom; the molecular geometry; and give the hybridization state
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