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Dinitrogen pentoxide decomposes in chloroform as a solvent to yield nitrogen dioxide and oxygen gas. The decomposition is first order with a rate constant of 1.0 x 10-5 s-1 at 45 degrees Celsius. Calculate the partial pressure of oxygen produced from 1.00L of 0.600M dinitrogen pentoxide solution at 45 degrees celsius over a period of 20.0hours if the gas is collected in 10.0L container. (Assume that the products do not dissolve in chloroform.)
A gas evolved during the fermentation of sugar was collected at 22.5 c and 702 mmhg. After purification it's volume was found to be 25.0 l . How many moles of gas were collected.
What masses of NaCl and water are needed to prepare 1000g of a solution that is 0.90% by mass
Compound Y is unusually stable. What is the structure of Y and how is it formed?
The enthalpy change when a strong acid is neutralized by strong base is -56.1 kJ/mol. If 12.0 mL of 6.00 M HBr at 21.30°C is mixed with 300. mL of 0.250 M NaOH
A gas mixture contains H2 at 2/3 bar and O2 at 1/b bar at 298 K. The diameters of H2 is 0.272 nm and O2 is 0.360 nm. What is the collision frequency \(Z_{12}\) of a hydrogen molecule colliding with oxygen molecule
Determine the molarity of a solution that is formed by dissolving 21.0 g of CaF2 in a flask and adding water to make 446.2 mL of solution
At 105 °C, the reaction 2NO2(g) ? N2O4(g) has Kp = 0.054. What is the value of Kc at this temperature?
2300 grams of water is heated. If this water starts at a temperature of 17 degrees Celsius, what amount of heat is needed to boil away all of this water?
Assume that only a single stream exits the fuel cell. What is the flow rate of each of the species leaving the fuel cell? Not that the flow rates given to correspond a fuel cell rate at approximately 50kW using 2004 technology.
A buffer that contains 0.500 M of acid, HY and 0.274 M of its conjugate base Y-, has a pH of 5.14. What is the pH after 0.0457 mol of Ba(OH)2 are added to 0.670 L of the solution
from the number of moles of H2O(.1331 mol) and CO2(.27 mol) that were produced what are the total number of moles of C atoms?
calculate the external pressure that must be applied to seawater, 1.14 M total ion concentration at 10 degrees celcius if the maximum concentration allowed in the product water is 166 mg/L
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