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A refrigeration system contains 575 ml of a gas at 22 degrees C and 1.25 atm. The gas is compressed until it has a pressure of 2.00 atm and a temperature of -6 degrees C. What is the new volume of the gas in the system?
Calculate the pH during the titration of 32 mL of 1.149 x 10-1 M NaOH with 1.161 x 10-1 M HBr solution after the following additions of acid.
Tabulate the viscosity and density of water between the temperatures of 10 degrees and 80 degrees, in one degree increments in the 20 to 35 degrees interval and in 5 degrees increments outside this interval
Calculate the pH of the solution resulting from the addition of 20 mL of 0.10 M NaOH to 100 mL of 0.10 M HCN (Ka = 4.9x10^(-10))
When 2.00 g of NaOH is added to 50.0 ml of 1.0 M HCl solution in a constant pressure calorimeter, the temperature increased by 13.1oC. Calculate the heat of neutralization in KJ/mol
Evaluate the average kinetic and potential energies, and , for the ground state (n=0) of the harmonic oscillator by carrying out the appropriate integration.
Tums is an example of an antacid that contains calcium carbonate , caco3. consider the reaction between this basic material and HCI. how many moles of HCI do you need to neutralize
The IR spectrum of HCN shows three absorption bands at 3312 cm-1, 2089cm-1, and 712 cm-1. Assuming HCN is linear, assign vibrations to the three absorption bands
Design a laboratory set-up that would enable you to separate a mixture of three hydrocarbons with different boiling points. Draw and label a diagram of your set-up
If the acid dissociation constant, Ksuba, for an acid HA is 8 x 10^-4 at 25 degree C, what percent of the acid is dissociated in a 0.50 M solution of HA at 25 degree C?
Suppose the radius of an atom in a simple cubic unit cell is 0.27 nm. What is the edge length of the unit cell in nm.
What volume of hydrogen gas is produced when 1.40 mol of carbon monoxide reacts completely according to the reaction at 0oC and 1 atm?
A typical aspirin tablet contains 325 mg of acetylsalicylic acid ( HC9H7O4). Calculate the pH of a solution that is prepared by dissolving five aspirin tablet(s) in one cup (237 mL) of solution. Assume the aspirin tablets are pure acetylsalicylic ..
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