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An electrochemical cell is constructed with a zinc metal anode in contact with a 0.0520M solution of zinc(II) nitrate and a silver cathode in contact with a 0.00420M solution of silver(I) nitrate. What is the value of Q to use in the Nernst equation for this cell?
calculate the amount of sodium nitrate in mg in one liter if 3.8mg of nitrate was detected in one liter of water.
There is an inherent flaw in the drying procedure for the gravimetric determination that causes the measured mass of BaSO4 to be erroneously high
Methane gas is compressed from 22. L to 2.5 L at a constant temperature. The final pressure is 18.1 atm. What was the original pressure?
camphor was reduced by an excess of sodium borohydride to make 1.3 g of isoborneol. Calculate the theoretical yield and percent yield for this reaction.
Calculate the apparent degree of dissociation of the NH4Cl if the freezing point of this solution is -15.3OC?(Molal freezing point constant =1.86 0C)
The reactant concentration in a zero-order reaction was 9.00×10-2M after 175 s and 4.00×10-2M after 325 s. What is the rate constant for this reaction?
The volume of 350. mL of gas at 25°C is decreased to 135 mL at constant pressure. What is the final temperature of the gas?
if 150g of water is collected during complete combustion of 166g of butane with ocyben, calculate the percent yield of water.
Demonstrate that the moalr enthalpy is equal to the molar energy for a collection of one-dimensilonal harmonic oscillators.
If 200 g of water at 20 degrees celcius absorbs 41840 J of energy, what will its final temperature be
What mass of Mg is formed by passing a current of 5.50 A through molten MgCl2 for 2.80 days?
Propanol freezes at -89.5 degrees C and boils at 82.3 degrees C. What quantity of heat is needed to convert 10.0 g of solid 2-propanol at -89.5 degrees C to a vapor at 82.3 degrees C?
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