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A refrigeration tank holding 5.00L Freon gas (C2Cl2F4) at 25C and 3.00atm pressure developed a leak. While the leak was discovered and repaired, the tank had lost 76.0 g of the gas. Explain what was the pressure of the gas remaining in the tank at 25C?
given rate constant 1.8x10-4 s-1 at 25 degree celsius when hydrolysis of sucrose c-12 h-22 o-12 into glucose and
A first order reaction has an activation energy of 59.2 kJ/mol and a frequency factor (Arrhenius constant) of 9.13 x 1013 sec -1. Calculate the rate constant at 26 oC.
extremely high-purity silicon is required to manufacture semiconductors such as the memory chips found in calculators
A solid mixture weighing 1.372 grams and containing only sodium carbonate and sodium bicarbonate required 29.11mL of 0.734M HCL for a complete titration. what is the grams of sodium carbonate and sodium bicarbonate in this mixture
by looking at the formula one might conclude that co would have a large dipole moment wen in fact it has a very small
Calcium has a work function of 4.64x10^-19 J. Which of the following wavelenghts will eject electrons from calcium
Determine the amount of energy involved in calories given off when 85 grams of H2O cools from 45 degrees Celsius to 25 degrees Celsius?
A mass of 2.052 g of a metal carbonate, MCO3, is heated to give the metal oxide and 0.4576 g CO2.
A gas occupies 1.55 L at 0.80 atm. What pressure would the gas exert if the volume were allowed to increase to 3.50 L?
In a study of ammonia production, an industrial chemist discovers that the compound decomposes to its elements N2 and H2 in a first order process. She collects the following data
Provide the value of Eh for the following reactions at standard temperature as well as pressure and say whether the reaction will go to the left or to the right. Confirm you say whether Eh is positive or negative.
how would each affect the calculated molecular mass of the solute?
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