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(I) The equilibrium partial pressure of NO in the reaction N2(g) + O2(g) ? 2 NO(g) at 800 K is 3.0 x 10-6 Pa. What are the partial pressures of N2 and O2 at equilibrium if K = 3.4 × 10-21 at 800 K?
(II) How should the total volume of the following equilibrium reaction mixture be changed to increase the amount of CO2(g)? C(s) + CO2(g) ? 2 CO(g)
Select one:
A) Total volume should decrease.
B) Total volume should remain the same.
C) There is insufficient information given.
D) Total volume should increase.
(III) Consider the reaction A (aq) + 3 B (aq) ? 2 NH3 (g). If we have 1.0 L and K = 9, calculate Q if the volume is increased to 10.0 L.
Calculate the mass in grams for pure silver sample that loses 3.10 when its temperature drops from 138 to 20.
Question- You are asked to prepare a pH=4.00 buffer solution starting from 1.25L of 2.00M solution of HF. how many grams of NaF should be added to prepare the buffered solution. Ka=6.8 x 10^-4
What is the pH of this buffer solution? (Neglect the volume change that occurs with addition of solid sodium nitrite) b.) Calculate the pH when 2.00 mL of 0.0275 M NaOH are added to 50.0 mL of buffer solution.
A recently discovered compound of magnesium and boron, which consists of 52.9% Mg and 47.1% B, shows special promise as a high-temperature superconductor because it is inexpensive to make and can be fabricated into wire relatively easily. What is ..
For the subsequent reactions, State the balanced formula equation, complete ionic equation and net ionic equation. If no precipitate forms, write No reaction.
The classic volcano reaction is often performed by the simple mix of vinegar (CH3COOH) and sodium bicarbonate (NaHCO3) resulting in a large amount of CO2 foam being produced. How many moles and liters of gas would be produced by reacting 55.7 g of..
terephthalic acid used in plastics manufacture contains only c h and o. combustion of 19.81 mg of terephthalic acid
The increase in the rate of reaction with temperature is due to A. increase in the number of effective collisions. B. decrease in activation energy.
A state of dynamic equilibrium, Ag2CO3(s) 2Ag^+(aq) + CO3^2-, exists in solution. After water is added to the system and equilibrium is reestablished:
If the mass of analyte is 10.40 grams, what is the mass % of acetic acid in the analyte?
NaOH solution is used to determine the amount of Mg(OH)2 in a sample of milk of magnesia, (molairty of NaOH is 1.172M). A 10.0 gram sample of milk of magnesia is required with 8.00 mL of 6.00 M HCl.
At constant pressure, it is cooled to 18.00 °C where its final volume is 1.75 L. What was the initial temperature?
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