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Calculate the work(in kilojoules) done during a synthesis of ammonia(see reaction below) in which the volume contracts from 8.6L to 4.3L at a constant external pressure of 44atm. (Note: be careful what units you use, SI units needed) N2(g) + 3H2(g) → 2NH3(g)
From the information calculated above, can you tell the sign of the change in internal energy(ΔE)? If so, what is it and how can you tell? If not, what else you would need to know to be able to tell for sure? Explain clearly.
A second-order reaction of the type A+2Bâ†'P was carried out in a solution that was initially 0.050 mol dmâˆ'3 in A and 0.030 mol dmâˆ'3 in B. After 1.0 h the concentration of A had fallen to 0.010 mol dmâ
A cylinder contains a mixture of hydrogen and chlorine molecules. Compare without doing any calculations
What would be the value of the change in concentration of C10H12/change in time during the same period of time? Explain why a catalyst for a forward reaction must also be a catalyst for the reverse reaction. Include an energy level diagram
At 0°C a 1.00 L flask contains 6.90 10-2 mol N2, 4.40 102 mg O2, and NO at a concentration of 9.00 1018 molecules/cm3. What is the partial pressure of each gas, and what is the total pressure in the flask?
Estimate the value of the equilibrium constant at 610K for each of the following reactions. Delta Hf and S for BrCl is 14.6 kj/mol and 240.0 J/mol*K , respectively. Br2(g)+ Cl2(g) --> 2BrCl(g)
Using the inverse square law of radiation, what Geiger counter reading would you get for a radioactive material when you are 3 feet from the source
Acetylene gas (C2H2) is produced as a result of the reaction CaC2(s)+2H2O(l)-> C2H2(g)+Ca(HO)2(aq) if 13g of CaC2 are consumed in this reaction, how much H2O is needed?
What is the gas pressure (in atm) inside a 2.43-L bulb that contains 2.88-g of Ne at a temperature of 32.9 C?
The concentration of oxygen, O2, dissolved in a sample of seawater is 6.22 ppm by mass (concentration 1 ppm - 1 part per million - means
If 30.00 mL of 0.500 M HCl is used to neutralize 10.00 mL of KOH, what is the concentration of the base?
As a food chemist for a major potato chip company, you are responsible for determining the salt content of new potato chip products for the packaging label.
7.5g of ammonia at STP is heated to a temperature of 25C and simultaneously compressed to a volume of 8.0L. Calculate the new pressure of the gas.
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