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A set of 13 particles occupies states with energies of 0, 100, and 200 cm^-1. Calculate the total energy and number of microstates for the following energy configurations.
a. a0= 8, a1= 5 and a2 = 0b. a0 = 9, a1 = 3 and a2 = 1c. a0 = 10, a1 = 1 and a2 = 2
Consider a glass of 298 mL of water at 30°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
What is the best and easy way to determine the frequency (in hz) of the interacting photon. A photon interacts with a ground state electron in a hydrogen atom and is absorbed.
If an equilibrium constant is much larger than one, it means? A. The position of equilibrium favors the formation products B. The position of equilibrium favors the formation of reactants C
A welder uses 20 gallons of gaseous acctylene (C2H4). What volume of O2 gas measured at the same conditions is consumed Given the following equation
A gas is collected over water at a certain temperature. The total pressure is 762 torr. The vapor pressure of water at this temperature is 17 torr.
How many moles of hydrogen are in a sample of octane, C8H18, that contains 303.9 grams of carbon
A biochemist needs 750 mL of an acetic acid-sodium acetate buffer with pH = 4.50. Solid sodium acetate NaC2H3O2 and glacial acetic acid HC2H3O2 are available. Glacial acetic acid is 99% HCH3O2 by mass and has a density of 1.05 g/mL.
We add excess Na2CrO4 solution to 17.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.310 grams.
What is the concentration of a solution made by diluting 95 mL of 6.0 M HCL to a final volume of 750 mL
A student wrote the reaction scheme below for the grignard synthesis of triphenylmethonal. Explain to the student why this representation of the reaction would not yield the desired product
A 0.2436-g sample of an unknown substance was dissolved in 20.0 mL of cyclohexane. The density of cyclohexane is 0.779g/mL. The freezing-point depression was 2.5ºC. Calculate the molar mass of the unknown substance. (Kf cyclohexane = 20.0ºC/m)
nbspwhen titrating 0.15 m hcl with a calcium hydroxide solution of unknown concentration 35 ml of acid are required to
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