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The reaction 2SO3 (g)<--->2SO2 (g) + O2 (g) has a Kp of 3.3E^-5 at 710 K. A reaction mixture initially contains 0.050 M of all three chemical species in a 0.355 L vessel. What will the concentration of the SO2 be at equilibrium?
sulfate dissolves as follows: Na2SO4(s) → 2Na+(aq) + SO42- (aq). How many moles of Na2SO4 are required to make 1.0 L of solution in which the Na concentration is 0.10 M?
How many grams of oxygen are collected in a reaction where 265mL of oxygen gas is collected over water at a temperature of 25 degrees celcius and a total pressure of 696 torr
When 50.0 grams of metal at 75.0 °C is added to 100. grams of water at 15.0 °C, the temperature of the water rises to 18.3 °C. Assume that no heat is lost to the surroundings.
Design a reaction scheme to synthesize pentylbenzene from benzene using a Friedel-Crafts acylation and any other reaction
A star is estimated to have a mass of 1x10^36 kg. Assuming it to be a sphere of average radius 7.5x10^5 km, calculate the average density of the star in units of grams per cubic centimeter.
The pressure in a sealed plastic container is 108 kPa at 41C. What is the pressure when the temperature drops to 22C? Assume that the volume has not changed.
Balancing equation to calculate correct number of moles If CaC2 + 2 H2O --> C2H2 + Ca(OH)2 then, there are 65 grams of calcium carbide
5.00 mL of water sample was titrated for hardness with 4.15mL of 0.0200M EDTA. write the equastion for the reaction and calcualte the hardness of the water in ppm
A sample that weighs 0.1586 grams contains only sodium chloride and potassium chloride was dissolved in water. It took 22.90 mL of 0.1000 AgNO3 to precipitate all of the chloride present.
KMnO4-(aq) +HCl(aq)=Mn2+ (aq)+ Cl2(g) + K+ (aq) balance equation with half life method and what is the reducing agents?
0.75 g of hydrogen chloride (HCl) is dissolved in water to make 7.0 L of solution. What is the pH of the resulting hydrochloric acid solution.
how much heat does your body lose when 2.95g of sweat evaporates from your skin at 25 degrees Cecilius
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