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Equilibrium is established for the reaction 2X(s) + Y(g) ? 2Z(g) at 500K, Kc = 100. Determine the concentration of Z in equilibrium with 0.2 mol X and 0.50 M Y at 500K. A) 3.2 M B) 3.5 M C) 4.5 M D) 7.1 M E) None of these.
Compute the thermal-equilibrium values of hole and electron concentrations while Considering a homogeneous gallium arsenide semiconductor at the given temperature of T = 300 K with Nd = 1016 cm-3 and Na = 0?
Consider the following reaction, where X represents and unknown element. 6X(s) + 2B2O3(s0 = B4X3(s) + 3XO2(g) If 165 grams of X reacts completely with diboron trioxide to rproduce 2.29 mol of B4X3.
A 120 pound woman working in an office consumes about 2200 kcal/day, whereas the same woman climbing a mountain needs 3400 kcal/day.
How many grams of iron are needed to produce 2.85 L of hydrogen gas according to the following reaction at 25oC and 1 atm
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a wavelength of 1820 nm
Evaluate the efficiency for a compression ratio of 10:1. Assume that, in state A, V = 4.00 dm3, p = 1.00 atm, andT = 300 K, that VA = 10VB , pc /pb = 5, and that Cpm = 7/2 R
A volume of 60.0mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 24.7mL of 1.50 M H2SO4 was needed?
at constant volume, the initial pressure of a substance is 0.63 atm and the initial temperature is 283 k.calculate the pressure of the substance at 295 k.
What is the splitting of the signal in the 1H NMR spectrum for the methyl protons of ethane? What is the splitting of the signal in the 1H NMR spectrum for the methyl protons of 1-bromo-2-methylpropane? Please explain?
Under What circumstances is it possible for the requirements for chirality at a carbon atom to be satisfied but for a molecule containing
If the height of the mercury column in the leveling bulb is 30mm greater than that in the gas buret and the atmospheric pressure is 670 mm, what is the pressure on the gas trapped in the buret?
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
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