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How many Liters of a 0.209 M KI solution of needed to completely react with 2.43 g of Cu(NO3)2 according to the balanced chemical reaction 2 Cu(NO3)2(aq)+ 4 KI(aq)= 2 Cul(aq) + I2(s)+4 KNO3(aq)
Explain why this reaction forms the same volume of hydrogen but takes place much more slowly than the reaction of the same mass of magnesium with 5.0 cm3 of 2.0 mol/dm3 hydrochloric acid.
Free radicals are important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the actions of sunlight on air pollutants, is formed in part by the following two steps.
56.9 mL of water is added to 24.9 mL of 0.125 M KOH solution. What is the new molarity?
Suppose 2.00 atm of an ideal gas occupies a volume of 80 mL. What pressure will the gas have when the volume is expanded to 100 mL?
Computational chemistry-----What two predominant effects govern most chemical reactions and properties. What are the two major types of computational approaches used to model chemicals
Problem- Calculate the heat absorbed and the work done on a system of 5.00 mol of an ideal gas as it expands irreversibly at constant temperature (298kk) from a pressure of 1.0 atm to 1.00 atm. The external pressure is held constant at 1.00 atm.
Decide whether or not a reaction will occur when a solution of Cadmium (II) chloride is treated with nitric acid HNO3 (aq). Write a balanced equation for any reaction that occurs
When ammonia gas, NH3, is passed over hot liquid sodium metal, hydrogen gas, H2, is released and sodium amide, NaNH2, is formed as a solid product. What is the balancing Equation
If it takes 9.40 milliliters of your 0.0151M titrant how many milligrams of ascorbic acid (MW 176.12) were in the original tablet. Enter the number as a decimal - don't use scientific notation. Do not include units.
how many grams of co2 are generated when 98.5 grams of aluminum oxide form, according to the equation al2(co3)3=>al203+3co2
The reaction below is studied at a high temperature. PCl5(g) f PCl3(g) + Cl2(g) At equilibrium, the partial pressures of the gases are as follows: PCl5 = 1.8 × 10-2 atm, PCl3 = 5.6 × 10-2 atm, and Cl2 = 3.8 × 10-4 atm. What is the value of Kp for ..
Determine the chemical formula (CnHm) and name of the gas.- The composition of the fuel on a percent molar basis.
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