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Calculate the standard deviation of translational energy in a canonical ensemble at 298 K for 3.1 a mole of ideal gas, and 3.2 a molecule of gas.
what is the concentration of oxygen in air-saturated water at 25 degrees C and .85 atm? Assume that the mole fraction XO2 is .209 and Henry's law constant for oxygen
Draw the organic product of the following reaction between (1S,3S)-1-chloro-3-methylcyclopentane and methanethiol in the presence of sodium hydroxide.
Write the balanced chemical reaction for the oxidation of sucrose C12H22O11 (s) to carbon dioxide gas and liquid water calculate ?H, ?U, and ?S for the reaction How much of this energy change can be extracted as
00,000 gallon spill of 10 M HCL into 379,000 L lake. Carbonate alkalinity = 150 mg/L CaCO3. Initial pH of lake is 7.50. What is the new pH of the lake after the spill?
If 12.5 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 28°C and 753 mm Hg?
With aqueous H2CrO4, compound A was oxidized to an optically inactive dicarboxylic acid C, C6H10O4. Give structures for compounds A, B, and C; do not specify stereochemistry
A 1.00 g sample of an unknown gas occupies 418 mL at 23.0 oC and 715 torr. Calculate the density at 23.0 oC and the molar mass of the gas.
a 70g piece of ice at 0c is added to a sample of water at 6c, all of the ice melts and the temp of the water decreases to 0c, how many grams of water were in the sample?
A Standard Reference Material is certified to contain 94.6 ppm of an organic contaminant in soil. Your analysis gives values of 98.6, 98.4, 97.2, 94.6, and 96.2 ppm.
The calorimeter and water have a combined heat capacity of 43.50 kJ/K. Calculate the heat of formation of ammonia in kJ/mol
a gas sample containing 1.50 mol at 25degc exerts a pressure of 400. torr. some gas is added to the same container and
In a solution, the solvent is higher or lesser in quantity? 8) A soft drink contains 11.5% sucrose by mass what volume of the soft drink solution in milliliters, contains 85.2 g of sucrose.
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