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When N2O5 (g) is heated it dissociates into N2O3 (g) and O2(g) according to the following reaction: N2O5(g) <--> N2O3(g) + O2(g) Kc= 7.75 at a given temperature. The N2O3(g) dissociates to give N2O(g) and O2(g) according the following reaction:
N2O3(g) <--> N2O(g) + O2 (g) Kc= 4.00 at the same temperature. When 4.00 mol of N2O5(g) is heated in a 1.00-L reaction vessel to this temperature, the concentration of O2(g) at equilibrium is 4.50 mol/L
a.) Find the concentration of N2O5 in the equilibrium system.b.) Find the concentration of N2O in the equilibrium system.c.) Find the concentration of N2O3 in the equilibrium system.
Which of the following statements correctly describe the energy and energy changes in a system? Select all that apply. 1. Energy is defined as the ability to do work.
Which of these is square planar and which is tetrahedral? State reasons for your choice. b) Rationalize the colors of these complexes in view of your choice.
When 56.0 g calcium and 34.7 g nitrogen gas undergo a reaction that has a 88.0% yield, what mass of calcium nitride forms?
A sample of a gas in a piston/cyclinder apparatus occupies 33.1 mL at 1.14 atm and 23.3°C. If the volume of the sample is increased to 77.4 mL and the temperature changes to 39.9°C, what is the new pressure, in atm, of the sample
Dissolving 4.69g of an impure sample of calcium carbonate in hydrochloric acid produced 1.07 L of carbon dioxide (measured at 20.0 degrees Celcius and 737mmHg). Calculate the percent by mass of calcium carbonate in the sample.
What state is being described in each case? Type either s for solid, l for liquid (make sure you type an l and not an i), and g for gas (assume ideal). If the statement applies to more than one state
A diamond is forever is one of the most successful advertising slogans of all time. But is it true? For the reaction shown below, calculate the standard free energy change at 298 K and determine whether or not a diamond is forever
The current dietary recommendation is to consume less than 0.1 mol of sodium per day. one teaspoon of table salt. The sodium content of a popular type of fast-food hamburger is 730 mg
The vessel will contain gases at pressures up to 210.0 MPa. The student's design calls for an observation port on the side of the vessel (see diagram below). The bolts that hold the cover of this port onto the vessel can safely withstand a force o..
Suppose that you have a 2.0 L sample of hydrogen at 1.00 atm and 59°C. If you heat the sample to 84°C and it expands to a volume of 3.7 L, what will the final pressure be?
If Qp = 1.2 1020 and PO2 = 0.318 and PN2 0.812, what is the partial pressure of NO?
Carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constanst (K) for this reaction (delta Gf values: H2CO3= - 616.1, H2O= - 237.1, CO2= - 394.4) .
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