Determine the number of ozone molecules in the stratosphere
Determine the number of ozone molecules in the stratosphere and their mass in kilograms. Given that quantity of ozone in the stratosphere is equivalent to a 3.0 mm thick layer of ozone on earth at step.
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In a lab, we had to measure the amount of heat released by a candle by heating up a tin of water with the candle and then determining the temperature change in the water.
1-Methyl-1-cyclopentene reacts with hydronium ion to afford two products A and B in the ratio 80:20. Propose a detailed mechanism for this reaction and give the IUPAC names of the products A and B.
Mrs. Kapoor goes to market and after arguing with fruit vendor is able to get price of dozen bananas decreased by Rs.1, from initial price.
Determine how many grams of sulphur dioxide can be removed using the 1000.0 kg of calcium oxide? Calcium oxide is used to remove sulfur dioxide from power plant exhaust because the two react to give calcium sulfite.
Determine delta G and delta A for this process for a) an isothermal reversible path and b) an isothermal expansion against a constant external pressure of 0.750 bars.
Customers arrive at the specific ATM at the rate of 30 customers per hour. Determine the probability of three customers arriving in a five minute-time interval?
Payments of 3000 now and 8000 8 years from now are equivalent to the payment of 10000 4 years from now at either rate i or rate j . Determine |i-j|. And describe why yield rate is not unique in given case.
Calculate the atomic weight of "Q" if the 30.0 grams of an imaginary element, "R" (A.W=100) reacts with the 50.0 grams of an imaginary element "Q" to produce the 80.0 grams of R3Q4.
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