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What is ozone and how it works as a protective molecule for our environment?
What are the effects of CFCs on the ozone layer?
What other alternatives you can think of to diminish environmental impact of CFCs?
Draw the electron dot structure of ozone, and explain its molecular shape and properties. Is ozone a covalent molecule?
Is it polar or non polar? Why? How reactive is ozone? Can you comment or show reactions of ozone with pollutants or chemicals in the atmosphere?
Calculate what the limiting reactant is in the reaction between copper (II) oxide and hydrochloric acid
Determine delta H of this reaction (kJ/mol H 2 SO 4 ) - When 24.4 mL of 0.500M sulphuric acid ,H 2 SO 4 is combined to 24.4ml of 1.00M potassium hydroxide KOH in a coffee cup calorimeter
Design a qualitative analysis scheme
Calculate the kinetic energy of the goose in joules if the goose has a mass of 16.8lb (pounds) and is flying at 10.3miles/h (miles per hour). ?
Determine the mole fraction of HO2CCH2CHOHCO2H in this solution?
Compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
Compute the hydroxide ion concentration in a NH 3 solution that is 0.091 M and 0.028 M NH 4 Cl. Kb of NH 3 is 1.8 x 10 -5 .
calculate how much CaCN2 is required to form 12.6 moles of ammonia? Given that the percent yield is 65.8%?
Determine what is the mass percent yield from 2.57 grams of Sb in excess Sulphur , if 1.56 g of Sb 2 S 3 is obtained?
compute the pH at the temperature of twenty five degrees Celsius of a solution combined by adding 50 mL of 1.60 M sodium hydroxide solution
Calculate the pressure in the flask in atmospheres and torr also If the sealed-tube manometer in had a height difference of 20.0 inches between the Hg levels?
find out the ΔH rxn for the given reaction as C 3 H 4 (g) + 2 H 2 (g) → C 3 H 8 (g)
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