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a student reacted 0.500 g of Pb(NO3)2 with .750 g of KI according to the reaction Pb(NO3)2 + 2KI ---> PbI2 + 2KNO3 a) how many moles of Pb(NO3)2 were used? b) how many moles of KI were used? c) how many moles of PbI2 would form based on the moles of Pb(N)3)2 used? d) How many moles of PbI2 would form based on the moles of KI used? e) which is the limiting reactant? f) what is the theoretical yield of PbI2 in grams? g) if the student obtained .583 grams of PbI2 product after collecting it by filtration and drying it, what was the percent yield of PbI2 obtained?
Determine how much PV work is done if 80.0 g of C 2 H 4 and 125 grams of hydro chloric acid are permissible to react at atmospheric pressure and the volume change = -63.9 L? express your answer in kilojoules
explain why a less reactive halogen is isolated in the dichloromethane
How many grams of potassium nitrate are required to prepare 0.250 L of a 0.700 M solution?
What is the pH of the solution created by combining 2.90 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)?
Write a chemical equation describing the condensation process for CO2 and a chemical equation describing the freezing process for CO2. For each process discuss the change in enthalpy and entropy that occurs.
A compound is found to have a molar mass of 598 g/mol. If 35.8 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure of the resulting solution?
What volume of 0.100 M sodium hydroxide is required to completely neutralize 50.0 mL of 0.100 M phosphoric acid? A 25.0-mL solution of 3.00 M acetic acid (HC2H3O2) required 65.6 mL of NaOH
A student standardized her I2 solution by preparing a solution of 0.0450 g of ascorbic acid (vitamin C) in a 100 mL volumetric flask. She titrated several 10.00 mL samples of the Vitamin C solution and found an average of 24.95 mL of I2 solution
What is the partial pressure of Br2 at equilibrium? What is the partial pressure of I2 at equilibrium? What is the partial pressure of IBr at equilibrium?
Calculate the amount of heat liberated (in kJ) from 375 g of mercury when it cools from 89.2°C to 15.7°C
If a container having a volume of 322mL at 25.o degrees celcius was to suddenly reduce to 75.0mL, what would be the new temp.(n,p constant)?
What is the order of a reaction that has the following time and concentration data? Time concentration
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