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How does a decrease in temperature affect the partial pressure of the underlined substances and the value for Keq for each of the following reactions? Explain your answer.
a) C(grahite) + 2H2(g) -- CH4(g) ΔH = -75 kJ
b) N2(g) + O2(g) -- 2NO(g) ΔH = 181 kJ
c) P4(s) +10Cl2(g) -- 4PCl(g) ΔH = -1528 kJ
an unknown compound has the following chemical formula crohx where x stands for a whole number. measurements also show
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for the titration of 50.0 ml of 0.020 m aqueous salicylic acid with 0.020 m kohaq calculate the ph after the addition
Determine the theoretical and percent yields of ethanol if 684g sucrose undergoes fermentation and 349g ethanol is obtained?
You have a gas cylinder, the weights on the piston weight 3kg. The radius of the piston is 40cm. Calculate the pressure of the gas in pascals in atmosphere.
Important information about Quant problems, Calculate pFe2+ at Ve in the titration of 25.00 mL of 0.02026 M EDTA by 0.03855 M Fe2+ at pH
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The following unbalanced equation represents a reaction that occurs in basic solution: MnO42- + C2O42- ? MnO2 + CO32-. How many moles of OH- are required to balance the equation using the smallest possible integers
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Write the balanced formula unit equation for the reaction of sodium with oxygen (use major product). What is the sum of the coefficients
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