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As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.500 atm. The final volume of the system is 58.0 L. What was the initial volume of the system if the internal energy of the system decreased by 102.5J?
If an additional .125 mol of the disulfur decaflouride is added and equilibrium reestablished, what will be the concentrations of each component.
a voltaic cell is constructed by immersing a strip of silver in a 1.0m agno3 solution and a strip of cadmiun metal in a
A buffer contains 0.010 mol of lactic acid (pKa=3.86) and 0.050 mol of sodium lactate per liter. Calculate the change in pH when 5mL of 0.5M NaOH is added to 1L of the buffer.
how many grams of iron will react with water to form iron (III)oxide and 85 liters of hydrogen gas at 19 degrees celsius & 525 torr?
What is the value of Keq for the reaction H2(g) + 1/2 O2(g)-> 1/2 H2O(l)?
Draw the Lewis structures for the following compounds to assist you in answering this question. 1) CBr2H2 2) BH3 3) XeCl4 4) SF4 5) HCl Which compound has no lone pairs
Write the balanced chemical equation using the lowest possible whole number coefficients for Fe2O3+2Al = 2Fe+Al2O3.
calculate the equilibrium constant for this reaction at 400 ºC. What total pressure is required to make ?G
what is delta Urxn for the combustion X; the hardware compnent of the calorimeter has a heat capcity of 3.63kj/*c. the specific heat of water is 4.184j/g*c the MW of X is 56.0 g/mol
Calculate Kp at this temperature. b. Would an increase or decrease in temperature lead to the production of more ammonia c. List two other things you could alter experimentally to increase the amount of ammonia (note: don't use the same effect and..
If 2.50 g CuSO4 are dissolved in 8.0 x 10^2 mL of 0.25 M NH3, what are the concentrations of Cu2+, Cu(NH3)4^2+, and NH3 at equilibrium
Using the ideas regarding the effect of basic anions on salt solubility. Which order is correct for the solubility and the Ksp.
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