What is the value of k for this reaction
At a certain temperature, 4.0 mol NH3 is introducted into a2.0 L container, and the NH3 partially dissociates by the reactions:2NH3(g) <--> N2 (g) +3H2(g)At equilibrium, 2.0 mol NH3 remains. What is thevalue of K for this reactions?
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How many grams of potassium chloride(KCl) are needed to prepare.750 L of a 1.50 M solution of potassium chloride in water?
(A) The object has a charge of +15.0 µC and the instrument indicates that the electric force exerted on it is 40.0 µN, due east. What is the magnitude E the electric field? (B) What is the direction of the electric field?
An unknown metal M was converted to the sulfate,M2(SO4)3. A solution of this metalsulfate was treated with excess barium chloride solution to give abarium sulfate precipitate.
Calculate the number of years it takes to pay off loan in one equation, if yearly income is $120,000 and suppose yearly payment is $10,000 and the total debt is $45,000?
At a certain temperature, 4.0 mol NH3 is introducted into a2.0 L container, and the NH3 partially dissociates by the reactions:
When calculating a sample size for a hypothesis test with the altenative hypothesis being: Ha: µ1?µ2
A piece of metal with a mass of 125g is placed into a graduated cylinder that contains 25.00mL of water, raising the water level to 56.00mL What is the density of the metal.
When being chargerd by a 40 volt DC supply, find the time, t for vc to reach 20 volts after the charging process has started if C=200μF and R=10kΩ.
A student boils the water in which he is attempting to dissolve his aspirin tablet, which weighs 392 mg, for several minutes. His titration with 0.050 M NaOH solution requires 44.37 mL.
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