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The 1995 Nobel Prize in Chemistry was shared by Paul Crutzen, F. Sherwood Rowland, and Mario Molina for their work concerning the formation and decomposition of ozone in the stratosphere. Rowland and Molina hypothesized that chlorofluorocarbons (CFCs) in the stratosphere break down upon exposure to UV radiation, producing chlorine atoms. Chlorine was previously identified as a catalyst in the breakdown of ozone into oxygen gas. Using the enthalpy of reaction for two reactions with ozone, determine the enthalpy of reaction for the reaction of chlorine with ozone.
What is the percentage yield if 465 grams of hydrogen reacted with excess nitrogen and 455 grams of ammonia is formed N2 (g) + 3 H2 (g) 2NH3(g)
How much heat is released when 50.0 grams of water at 100 degree celcius hits the skin and cools to a body temperature of 37 degree celcius.
Empirical Formula of a Compound and Conversion, The characteristic odor of pineapple is due to ethyl butyrate, a compound containing carbon, hydrogen, and oxygen
Calculate the pH of a solution made by adding 77 g of sodium acetate, NaCH3COO, to 24 g of acetic acid, CH3COOH, and dissolving in water to make 700. mL of solution.
Can an ether molecule be made out of a methanol or ethanol molecule? Why or why not? What is the structure for 1-Octanol & Propane-1,2,3-triol?
if you started a ride with ice packs that held 1600g of frozen water at 0 degree celius, and the temperature of the water at the end of the ride is 32 degree celius, How many calories of heat energy were absorb
A basketball is inflated to a pressure of 1.50 atm in a 20.0°C garage. What is the pressure of the basketball outside where the temperature is -5.00°C?
You are given trhat 0.01 m aqueous solutions of each of the given solution as, C6H12O6, K3PO4, CaCl2 , NaI you jutst need to place the given solutions in order of increasing change in the freezing point of the solution.
The second-order reaction, 2 Mn(CO)5 Mn2(CO)10 has a rate constant equal to 3.0 x 109 M-1s-1 at 25°C. If the initial concentration of Mn(CO)5 is 1.0 x 10-5 M.
Aqueous solutions of sodium thiosulfate, Na2SO3, are used as an antidote to some snakebites. How many moles of sodium ions are found in 10.0 mL of a 0.15 M solution of Na2S2O3?
when 56.6g of calcium and 30.5g of nitrogen gas underfo a reaction that has a 93.0% yield, what mass g of calcium nitride forms.
If the temperature in the laboratory is 22.3oC and the atmospheric pressure is 0.931 atm, what volume would be occupied by the carbon dioxide produced in this reaction (in cm3)?
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