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List the similarities and differences between the classical - and - quantum-mechanical equations of motion. How does the latter account for the quantization of energy and wave-particle duality
Calculate the work in Joules when 2.5 mols of water vaporizes at 1 atmosphere pressure and 25 degrees C. The work is done in pushing back the atmosphere.
If 5.50 g of the unknown compound contained 0.183 mol of C and 0.367 mol of H, how many moles of oxygen, O, were in the sample?
At what point will the standard solution begin to deteriote after all the chemicals have been mixed? the answer should be in minutes
Calculate the value of Ecell (Standard reduction potentials) for the reaction above. Shwo your work and explain why this value implies that the reaction is product favored.
calculate the pH of the solution that results from adding 8.50ml of 0.100M NaOH to 50.00 mL of a 0.0500M solution of acetic acid.
A rectangular block of plastic, measuring 1.34 cm by 2.27 cm by 1.39 cm, floats in the middle of the Pacific Ocean. The volume of sea water displaced by the plastic block is 3.35 cm3. Assuming the density of the sea water is 1.025 g/mL, what is th..
What would be the equilibrium pH value of rainwater if atmospheric SO2 gas were its only dissolved constituent? Assume that the fugacity (activity) of SO2 gas in the atmosphere is 5 x 10-9 bar
Calculate the partial pressure of each, the total pressure and the composition of the liquid solution.
If 32.0 g CaC2 are consumed in this reaction, how many moles of H2O are needed?
Then the potential of the mercury cathode was adjusted to -1.80 V vs. SCE, and the quantity of electricity passed during this second electrolysis was 64.17 cou- lombs. Calculate the weight percentages of CCl4 and CHCl3 in the original sample.
A 45.5 g sample of copper at 99.8 degrees C is dropped into a beaker containing 152 g of water at 18.5 degrees C. What is the final temperature when thermal equilibrium is reached?
The volume of a gas is 93 mL when the temperature is 91 C. if the temperature is reduced to 0 C without changing the pressure, what is the new volume of the gas
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