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For the reaction NO2(g)+NO3(g) = N2O5(g), the activation energy is 18 kj/mol and the overall delta E is -136 kj/mol. How times faster will the reaction occur at 50C than at 0C for the forward reaction?
it takes 48.0 j to raise the temperature of an 10.7 g piece of unknown metal from 13.0 degree celsius to 25.0 degree
In the welding shop of the XYZ Manufacturing plant you have a cylinder with a volume of 548L of a compressed gas, and the pressure gauge shows 238 psig at the room temperature 25 C.
Consider the following reaction at equilibrium: 2CO2(g) 2CO(g) + O2(g) Change in H degree = -514kJ a) increase partial pressure of CO2 at equilibrium
"What was the % recovery (by mass) of product based on the mass of crude product?" The starting unkown material weighed .2415g, the melting point of just the sample was 51.4-95.2 degrees C,
If 25.0 grams of potassium chlorate decomposes, how many grams of gas are released as a product?
Table salt and sugar are accidentally mixed A 4.90 g sample is burned and 2.20-g of CO2 is produced What is the mass percentage of salt in the mixture?
What is the probability of populating the first excited vibrational state (n = 1) at 298 K? Does isotopic substitution affect the probability? Would the intensity of absorption peaks be affected by isotopic substitution?
Show how to make N-methylpropionamide using propionic acid and methylamine and other necessary reagents. The methylamine and propionic acid do not both have to be used in the first step.
Ammonia (NH3) is widely used as a fertilizer and in many household cleaners. How much ammonia is produced when 6.32 mol of hydrogen gas react with an excess of nitrogen gas?Answer in units of mol
How many kilograms of methane (CH4) are in perfectly insulated piston with the following properties: Volume = 2 cubic meters.
The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ)
When adding the solution of HNO3 from the buret in Step 14 to beaker 4, you know that you added 2.5 mL instead of 1.5 mL for a total volume of 11.0 mL. How would the calculated value of the equilibrium constant be affected for this sample?
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