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A 1.39 mole quantity of NOCL was initially in a 1.0 L container. At equilibrium it was determined that 20% of the NOCL had dissociated. What is the value of the equilibrium constant under these conditions?
2NOCL(g)<---> 2NO(g)+CL2(g)
How many grams of Fe2O3(s) are produced from 500.0 g of FeS2(s) and 400.0 g of oxygen gas?
Which of the following 5 ions or molecules are NOT planar in its lowest energ form? Carbonate ion, chlorate, xenon dibromide, chlorine trifluoride, xenon tetrafluoride.
provide the newman projections across the c2-c3 bonds for the major conformers after drawing the zig-zag structures of
Carbon monoxide gas burns in oxygen to form carbon dioxide gas. Write a balanced equation for the reaction and determine the volume of oxygen needed to react completely with 910 mL of CO at 40.0°C and 1.00 atm
a mixture contains two compounds x and y. both compounds x y have a solubility 1 g100 ml of solvent at the temperature
suppose sulfur dioxide reacts with oxygen at 25 degrees celsius.2so2 g o2 g -gt lt- 2so3 gthe equilibrium constant kc
A cylinder fitted with a piston contains 3.00 moles of He gas (ideal!) at P = 1 bar and is held in a large constant-temperature bath at 400 K. The pressure is reversibly increased to 5.00 bar.
1 if 50 kj of heat are given off by a chemical reaction in aqueous solution and all the heat is absorbed by the
Cadmium telluride, , takes the zinc blende structure with a unit cell edge length of . There are four cadmium atoms and four tellurium atoms per unit cell.
Draw the first mechanistic step( one intermolecular arrow and any subsequent intramolecular arrows needed to finish the mechanistic step) between caffeine and hydrochloric acid.
A solution is initially 0.050M in acetate, CH3COO- (Kb = 5.6 x 10^-10). 10.0mL of 0.10 M HCl is added. Calculate Ka for the conjugate weak acid of CH3COO-
what is the wavelength emitted due to an electron moving from an infinitely far orbit (n=infinity) to n=2? in what region of the electromagnetic spectrum is this wavelength
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