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How can you assume that a pickle contains approximately the same amount of salt as the juice it is soaked in? Explain
The rate constant for the second order reaction is .80 M s at 10 degrees C starting with a concentration of .86 M calculate the concentration of NOBr after 71 seconds.
A 3.05 g sample of NH4NO3(s) is introduced into an evacuated 2.18 L flask and then heated to 250 oC. What is the total gas pressure
Problem- Without referring to a data table ranks the following compounds by standard molar entropy: (from highest S to lowest S)
Calculate the final molarity of acetate anion in the solution. You can assume the volume of the solution doesn't change when the ammonium acetate is dissolved in it.
The Kp for the production of phosgene is 18.0. If one mole each of CO and Cl2 are mixed at the total pressure of 1 atm, what will be the partial pressure (in atm) of COCl2 after equilibrium is reached, CO(g) + Cl2(g) → COCl2(g)?
Calculate the number of photons that were absorbed by the water. Assume water has a density of 1.00 g/ ml and its specific heat is 4.184 J/ G 0C
Problem- Use the equilibrium constants for reaction (a) and (b) at 200 degrees celcius to calculate the equilibrium constant for reaction (c) at that temperature
A gas mixture is composed of 0.0856 mol of Ne and 0.0254 mol Kr. What is the mass percent of Kr in this mixture?
Citric acid is a triprotic acid with pKa1=3.15; pKa2=4.77; pKa3=5.19. Calculate the concentrations of all species in solution.
The conjugate acid of ammonia is NH4+, a weak acid. If a 0.2 M NH4Cl solution has a pH of 5.0, what is the Ka of NH4+? Hi, I'm trying to understand this problem
a positive ion ESI mass spectrum of a protein showed a peak at m/z = 1001 resulting from the adition of 10 protons. what is the actual mass of the uncharged protein?
What is the heat of fusion of ethanol in calories per mole? The heat of fusion for ethanol is 45.2 cal/g. The molar mass of ethanol is 46.0 g/mol.
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