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A galvanic cell has an iron electrode in contact with 0.11 M FeSO4 and a copper electrode in contact with a CuSO4 solution.
If the measure cell potential at 25 C is 0.58 V, what is the concentraion of Cu2+ in the CuSO4 solution?
A gas weighing 33.62 g occupies a 10.00 liter flask at 27oc and 730 torr of pressure. what is the molar mass of the gas?
When sodium carbonate reacts with hydrochloric acid, the carbonic acid that is formed immediately breaks down into carbon dioxide and water.
Draw the structure of the geometric isomer of 2-pentene that has the lower melting point.
Calculate the number of moles of HCl in the solution dispensed and its associated error.
it takes 261 kj/mol to eject electrons from a certain metal surface. what is the longest wavelenght of light(nm) that can be use to eject electrons from the surface of this metal via the photoelectric effect?
A pound of coffee beans yields 48 cups of coffee. How many milliliters of coffee can be obtained from 1 g of coffee beans?
What is the concentration of a solution made by diluting 75 mL of 6.0 M HCl to a final volume
The equation for lowering the freezing point of a solvent is given in your manual. Given that the freezing point for the pure solvent is 79.5 , the molality is 0.15 , and the freezing point depression constant is 6.9 , determine the freezing tempe..
You need 70.2K to raise the temperature of 34.0 g of ammonia from 23 c to 24 c. Calculate the heat capacity of ammonia
Identify the oxidizing agent and the reducing agent for rm Ba(s) + Cl_2(g) to BaCl_2(s)?
Write the chemical equation for the reaction of carbonic acid (H2CO3) with water. Write the balanced chemical equation for the reaction of the weak acid HCN with water. Include the phase of each species.
What is its solubility at a partial pressure in air of 0.00021 atm? Assume that CO2 obeys Henry's Law.
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