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A concentration cell consists of two Sn/Sn2+ electrodes. The electrolyte in compartment A is 0.15 M Sn(NO3)2. The electrolyte in B is 0.82 M Sn(NO3)2. Which electrode is the cathode
Calculate the mass of limestone that must be decomposed to produce 500g of lime CAO the equation for the reaction is CaCO3(S) CaO(s) + CO2(g)
Assuming that the heat capacities don't change with temperature, how much energy in kilojoules is needed to heat 5.25g of Hg from a temperature of -59.5C to 43.0C
Liquid HCN is unstable with respect to trimer formation. What would be the structure of this trimer
Determine how many milligrams of H 2 O are present in sample If the freezing point of a 100.0g sample of 2-methyl-2-propanol =24.59C?
three solutions are mixed to form a single solution. one contains 0.2 mol pbc2h3o22 the second contains 0.1 mol na2s
a volume of 80.0 ml of h2o is initially at room temperature 22.0 c. a chilled steel rod at 2.00 c is placed in the
The relative molar mass of an element is known to be 32.064 g. Determine the abundance fraction of the isotope whose fraction is not displayed in the table.
895ml of chlorine trifloride gas at 694 mmHg and 36 degree c. What is the mass of the sample
How many grams of formic acid, HCOOH, must be added to 0.160 L of 0.150 M sodium formate, HCOONa, to yield a buffer solution with a pH of 4.30? Assume no volume change. Ka of HCOOH = 5.0 10-4.
Rank the following in order of decreasing number of atoms
When 75.0 mL of a 0.100 M lead (II) nitrate solution is mixed with 100.0 ml of a 0.190 M potassium Iodide solution, a yellow-orange precipitate of lead (II) iodide is formed.
Given a buret filled with 0.13 M acetic acid and a second buret filled with 0.17 M sodium acetate, how many milliliters of each solution should be mixed together to produce 23.5 mL of a solution with a pH of 4.82
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