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Question- Calculate the E (degree) for each of the following reactions and indicate (Y/N) if it occurs spontaneously or is not spontaneous-
Part A) 2 MnO4- (aq) + 5 Hg2^2+ (aq) + 16 H+(aq) yields 2 Mn^2+(aq) + 10 Hg ^2+ (aq) + 8 H2O(I)
Part B) NiCl2(aq) + Pb(s) yields PbCl2(aq) + Ni(s)
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A 195mg sample of a non-electrolyte isolated from throat lozenges was dissolved in enough water to make 10.0mL of solution at 25 degrees Celsius. The osmotic pressure of the resulting solution was 4.83atm. Calculate the molar mass of the compound.
When she introduced 3.63E-2 moles of N2(g) and 6.18E-2 moles of H2(g) into a 1.00 Liter container, she found the equilibrium concentration of NH3(g) to be 9.68E-4 M.
What is the change in internal energy (in J) of a system that releases 675 J of thermal energy to its surroundings and has 7.60x10^2 cal of work done on it
When 79.272 cg of nitrogen gas is reacted with 79.272 cg of hydrogen gas, how many grams of ammonia are formed?
The rate constant k for a first order reaction is 1.36 * 10 -3 s -1 at 90 degrees Celcius and the activation energy is 78.4 kJ/mol. What is the rate constant for this reaction at 50 degrees Celcius?
on a dry day your body can accumulate static charge from walking across a carpet or from brushing your hair. if your
What is the pH of the solution created by combining 1.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?
How many milliliters of a stock solution of 10.0 M HNO3 would you have to use to prepare 0.450 L of 0.500 M HNO3. If you dilute 25.0 mL of the stock solution to a final volume 0.500L, what will be the concentration of the diluted solution
There was an accident at the industrial plant. Subsequent to the spill into the creek he water had Cr levels of 1.10 ppb n=6, S= 0.08. Could you state with 95% confidence that the Cr level in the creek had rise, that are these samples statisticall..
What is the value for the equilibrium constant (K = KP ) at 1200 K for the reaction: 2HBr +1/2O2 ?? Br2 + H2O. b) What is the value of ?rG? at 1200 K temperature for the reaction in a)
A solution of vinegar is 4.78% by mass acetic acid in water. Assuming the density of vinegar is 1.00 g/ml, what is the molarity of acetic acid
Compute the number of electrons in a flake of pure gold valued at $0.59. Assume that the price of gold is $1102.0/troy oz. (1 troy oz = 31.1 g)
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