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A voltaic cell consists of a strip of cadmium metal in a solution of Cd(NO3)2 in one beaker, and in the other beaker a platinum electrode is immersed in a NaCl solution, with Cl2 gas bubbled around the electrode. A salt bridge connects the two beakers.
1. Write the equation for the overall cell reaction.
2. What is the emf generated by the cell under standard conditions? E0= ? V
A power company burns approximately 474 tons of coal per day to produce electricity. If the sulfur content of the coal is 1.30% by weight.
Determine the molar mass of the compound if boiling point constant for CCl 4 =4.95 K · kg/mol.?
Phosgene (COCl2) is a toxic substance that forms readily from carbon monoxide and chlorine at elevated temperatures: CO (g)+ Cl2 (g) ? COCl2 (g).
A 1.33 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the mole fraction of the citric acid.
The solubility product of PbBr2 is 8.9 X 10^(-6). Determine the molar solubility in the pure water.
If 8686 C of charge is passed through molten magnesium chloride, calculate the number of moles of Mg(l) produced
The temperature of a lead fishing weight rises from 15 oC to 45 oC as it absorbs 22.5 kJ of heat. What is the mass of the fishing weight in grams? Heat capacity of lead is 0.128 J/g oC.
Determine how many grams of NaCl should be dissolved in a liter of H 2 O to produce an isotonic solution?
Calculate the theoretical yield of C2H5Cl when 138 g of C2H6 reacts with 244 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
calculate the pH of the resultant solution: (a) 0.00 mL, (b) 5.00 mL, (c) 25.00 mL, (d) 45.00 mL, (e) 50.00 mL, (f) 51.00 mL.
A particular snack mix contains 1.30 g of salt per 100 g of the mix. How much mass of the mix can be consumed and still be within the FDA limit of 2.40 g of salt.
If the volume of an unknown liquid is measured and found to be 6.510 L, what is the volume of the unknown liquid in milliliters?
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