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Nitrogen and Oxygen gases may react to form nitrogen monoxide. At 1500 C, Kc=1.0*10-5. If .030 mol N2 amd O2 are sealed in a 1.0 L flask at 1500 C. what is the concentration of NO when equlibrium is established?
determine both the position and velocity (momentum) of an atom or subatomic particle such as an electron and thus negate the uncertainty principle? Fully explain your answer.
A a student started with a mixture weighing 1.356 gm. The student recovered 1.543 g . Assuming that all calculations were done correctly what was the most likely source of error in the experiment
What is the significance of high pressure used in HPLC?
Arsenic acid (H3AsO4) is a triprotic acid with Ka1 = 5. 10-3, Ka2 = 8. 10-8, and Ka3 = 6. 10-10. Calculate [H + ], [OH ? ], [H3AsO4], [H2AsO4? ], [HAsO42- ], and [AsO43- ] in a 0.62 M arsenic acid solution.
If the colder block originally weighed 200g and the warmer one 100g, calculate the final temperature and the entropy change of the universe for this process.
Decide whether or not the metal K dissolves in 1 M HCl. For this metal, if it does dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
Consider the titration of 40.0 mL of 0.050 M of the fully protonated form of tryptophan with 0.10 M KOH. Calculate the pH of the solution at the following points
The observed rate constant(k-observed) for one of the trials was measured to be 0.00400 s^-1. If the concentration of hypochlorite was fixed at 0.134 M, calculate the specific rate constant (k) for the trail.
Reactions of alcohols with hydrogen halides yield the important class of compound known as alky halides. Reactivity towards the hydrogen halides with an alcohol decreases
Calculate the pH after the following additions of the KOH solution (a) 10.0 mL (b) 11.5 mL (c) 15.0 mL (the Ka for CH3COOH = 1.8 x 10^-5)
the specific heat capacity of zinc is 0.389J/Kg, and that of water near 100 degrees celsius is 4.22J/Kg. Calculate the final temperature reached ny the zinc and water
A certain sample of gas has a volume of 20.00 dm3 at 0°C and 1.000 atm. A plot of the experimental data of its volume against the Celsius temperature, ?, at constant p, gives a straight line of slope 0.0741 dm3 (°C)?1.
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