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The decomposition of N2O to N2 and O2 is a first- order reaction. At 730°C the half-life of the reaction is 3.58 3 103 min. If the initial pressure of N2O is 2.10 atm at 730°C, calculate the total gas pressure after one half-life. Assume that the volume remains constant.
What is the theoretical amount of oxygen required for the fuel mixture. What amount of air is added to the fuel mixture. How many moles of methane are present in the product gas
If 12800 calories is required to change 45g of substance X from a liquid to a gas, what is the heat of vaporization of substance X?
A 74.0-mL sample of 0.13 M HNO2 (Ka = 4.0 × 10-4) is titrated with 0.14 M NaOH. What is the pH after 25.8 mL of NaOH has been added?
Carbon Monoxide is a toxic pollutant found in our city air. On a particular day, the air contains 6.50mg of CO per 1.000X cubic meter of air. How many grams of CO are present in a room whose dimensions are 15.0 meters X 11.0 meters X 16.5 meters?
For a 5.0 gram sample of each of the following, what weight of water will be lost if the sample is heated to constant weight: CoCl?*9H?O; CuSO?*5H?O; ZnSO?*4H?O; BaCl?*2H?O.
Using the balance equation for the combustion of ethanol, anwer the following question C2H6O(l) + 3 O2(g)-----------2CO2 (g) + 3H2O(g) Ethanol
When 0.577 L of Ar at 1.20 atm and 227°C is mixed with 0.296 L of O2 at 501 torr and 127°C in a 400. mL flask at 27°C, what is the pressure in the flask
The simplest alkene has the formula C2H4 and the simplest cycloalkene has the formula C2H2
At 29 C the average rate is 3.3 flashes every 10 seconds;at 23 C the average rate falls to 2.7 flashes every 10 seconds. Calculate the activation energy for flashing process.
Are certain organometals only made in the lab and not made through natural processes (made in the environment due to pollution)
At a certain temperature, the root mean square speed of CH4 molecules in 1610 km/h. What is the root mean square speed of CO2 molecules at the same temperature
What is the molar mass of the unknown solution containing 1.01 g of unknown in 17.74 g biphenyle froze at 42 degrees C. Pure biphenyl freezes at 71.0C
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