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The equilibrium constant K for the reaction below was measured as a function of temperature (Kelvin).
2 Cl(g)-----> Cl2(g)
A graph of ln (K) versus 1/T for this reaction gives a straight line with a slope of 1.341X10^4 K and a y-intercept of -14.37. Determine the values of ΔH° and ΔS° for this reaction
Electrolysis is used to gold plate jewelry made of stainless steel. a) what half reaction takes place to plate Au^3+ on a stainless steel earring? b) is the earring the anode or cathode? c) why is energy needed to gold plate the earring
At equilibrium, the flask containing the reacting mixture Ni(s) + 4 CO(g) --> Ni(CO)4(g) contains 232 torr CO, 1240 torr Ni(CO)4, and 1.82 g Ni at 510°C. What are the Kc and KP for this reaction
If the second data point occurred after a total addition of 4.00 mL of NaOH at t = 219 s, calculate the intial rate of reaction in units of M/s.
a sample of co2 g in a piston at 7.5 atm and 1090. l is allowed to come to equilibrium against a constant external
A solution containing 50.0 g NaNO3 in 75.0 g of H20 at 50°C is cooled to 20°. How many grans of NaNO3 remain at 20°.
What is the atomic mass of unknown element X if it has the following isotopic composition.
what is the free zn2 concentration if 0.020 m zn2 solution is mixed with an equal volume of 2.0 m nh3? kf for znnh342
Phosphorus pentachloride decomposes according to the chemical equation Kc=1.80@250C PCL5(g) PCL3(g)+CL2(g) A 0.240 mol sample of PCl5(g) is injected into an empty 3.95 L reaction vessel held at 250 °C. Calculate the concentrations of PCl5(g) and P..
A 47 kg sample of water absorbs 388 kj of heat. If the water was initially at 27.6 Celcius, what is its final temperature?
Calculate the final pressure of a gas if a 953-mL sample of the gas at 1.25 atm and 50.0 degrees Celsius is changed to 1.55 L at 75.0 degrees Celsius.Be sure to include units and correct significant figures
How do I know if an E1 or E2 reaction is exothermic or endothermic overall. Can it ever be endothermic? If so, when. All the examples I've seen are exothermic.
if the barometric pressure is 784 torr and the experiment is carried out at 25 oc what is the pressure of the gas
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