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In an actual experiment, 100 g each of copper and nitric acid are used and 70g of copper(II) nitrate is obtained. In this experiment, what is a) the limiting reactant and b) the percent yield of copper (II) nitrate. show all calculations.
The partial pressures of gas A and gas B, respectively, are 0.263 atm and 0.676 atm. If 0.160 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
Write the formula for each of the following compounds, being sure to use brackets to indicate the coordination sphere.
How many grams of ammonium sulfate can be produced in 30 mol of H2SO4 react with excess NH3 according to the equation 2NH3(aq)+H2SO4(aq)-->(NH4)2SO4(aq)?
How many milliliters of 0.483 M HBr solution can be made from 38.0 mL of 8.00 M HBr solution?
Determine the microcanonical partition function, omega. Determine fundamental relation of system, using Stirling's approximation Determine the energy and heat capacity for the system as a function of temperature using Stirling's approximation. Det..
The bromocresolgreen end point of the titration was reached after the addition of 30.00 mL of hydrochloric acid solution. Calculate the concentration of the acid solution.
fluride ion is poisonous in relatively low amounts. 0.2 g of F per 70 kg of body weight cause death . nevertheless, inorder to drinking water at a cencetration of 1 mg of F ion per L of water
what is the solubilty of O2 at an elevation of 12, 000 ft where the atmospheric pressure is 0.657 atm? Assume the temperature is 25 degrees celsius, and that the mole fraction of O2 in air is 0.209 at both 12, 000 ft and at sea level.
Consider the unbalanced equation above. A sample of impure mercury(II) oxide is heated and the HgO decomposed completely. If 580. mL of O2 is collected by displacement of water at a barometric pressure of 790.0 mm Hg and 25.0°C,
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?
A solution is prepared by mixing 50.0 mL of 0.20 M Pb(NO3)2 with 50.0 mL of 1.5 M KCl. Calculate the concentrations of Pb2+ and Cl - at equilibrium. [Ksp for PbCl2(s) is 1.6 10-5.]
From the first and second laws of thermodynamics, derive the equation for the criterion of spontaneity of a process, Gibbs free energy,
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