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When 7.00 moles of gas A and 3.00 moles of gas B are combined, the total pressure exerted by the gas mixture is 1.0 atm. What is the partial pressure exerted by gas A in this mixture?
Concentration of H 2 is observed 2.15 moles/L When the reaction N 2 (g) + 3 H 2 (g) ?? 2 NH 3 (g) comes to equilibrium. Determine the numerical value of the Kc equilibrium constant?
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air? The composition of air is 21% mole O2
The Cl- is at equilibrium across the membrane while the protein is inside the cell and cannot permeate the membrane. Determine the concentration of Pr+/- (in M)?
Predict the products when cyclohexanol is heated in the presence of H+. Show both the organic product and the byproduct
At 900 K the following reaction has Kp = 0.345. 2 SO2(g) + O2(g) 2 SO3(g) In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively.
For the reaction: N2(g) + 2 O2(g) ? 2 NO2(g), Kc = 8.3 × 10-10 at 25°C. What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas.
a solution of NaOH is added to the supnatant liquid until it is strongly alkaline. No precipitate is formed. Which ions are present in each of the precipitates. Which cations are not present in the original solution?
You dissolve 12.6352 g of potassium iodide in water and bring the volume of solution to 250.0 ml. What is the molar concentration of KI and what volume of 0.0436 molar hydrochloric acid is required to react with 30.0 ml of 0.0278 molar LiOH?
The reaction between solid sodium and Iron (III) oxide is one in a series of reactions that inflates an automobile airbag.
The X compound decolors in Bromine, bubbles in Na metal, changes from orange to green in Chromic Acid, and has no reaction with Lucas reagents.
If 95 0C of heat are added to a pure gold coin with a mass of 20 gm, what is its temperature change? Specific heat capacity of gold is 0.128 .
How much heat is required to warm 227 g of ice from -45.5°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C.
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