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A gaseous mixture of O2 and Kr has a density of 1.104 g/L at 435 torr and 300K. What is the percent of O2 in the mixture?
If 500 g of KCIO3, decomposes and produces 303 g of KCl, how many grams of O2 are produced?
Calculate the standard free energy change for the process N2O5(s)-->N2O5(g) at 25 0C if Vapor pressure of N2O5 at 7.5 degrees C is 100mmHg, and the solid sublimes at a pressure of 1.00 atm at 32.4 0C.
Make a new solution with a total volume of 10.0 mL and How many moles are contained in 500.0 mL of solution
A thief plans to steal a gold sphere with a radius of 30.0 cm from a museum. If the gold has a density of 19.3 g/cm^3, what is the mass of the sphere?
On average, cow milk is 4.7%(w/w) lactose. The molecular weight of this disaccharide is 342.3g C12H22011. Assuming milk has the density of water.
Water (2290 ) is heated until it just begins to boil. If the water absorbs 5.43×105 of heat in the process, what was the initial temperature of the water?
Cannot be determined from the information provided. 9. Starting with the initial concentrations provided in the question above, what will be the equilibrium concentration of CO2? a) 1.6 M b) 1.8 M c) 2.0 M d) 2.2 M 10. What is KC for this process ..
sodium bisulfite is a reducing agent. write a balanced oxidation reduction reaction equation for the reaction that occurs
Calculate the OH- of each aqueous solution with the following H3O+ A baking soda 1.1 X 10-8 M B orange juice 2.1 X 10-4
What is the change in the boiling point of the aqueous solution? and water how man moles of ions are present is solution
Regiochemistry and stereochemistry in diels-alder reactions, How does one predict which regioisomer forms as the major product when more than one product can form? How does the dienophile affect the stereochemistry of the product?
A container consists of CO2 gas at a temperature of 15 C and at a pressure of .990 atmospheres. The volume of the container is 500 mL. How many grams of CO2 would be in the container? (1 liter equals 1000 milliliters.)
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