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In applying the kinetic molecular theory of gases, we have assumed that the walls of the container are elastic for molecular collisions. Actually, whether these collisions are elastic or inelastic makes no difference as long as the walls are at the same temperature as the gas. Explain.
If 3.1 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 ->CO2 + H2O, how much oxygen is required?
4.5 L of Mg(OH)2 solution was titrated with 5.03 mL of 0.200 M HCl. Calculate the the molarity of Mg(OH)2 solution and the ksp.
A gaseous mixture of rm O_2 and rm N_2 contains 36.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 485 mmHg.
If 0.80 g of sulfur dioxide at 10.00 atm pressure (P) dissolves in 5.00 L of water at 25.0°C, how much of it will dissolve in 1 L of water at 9.00 atm pressure (P) and the same temperature?
How many moles of CO2 will be produced if 3.119 g of O2 are reacted completely?
To prepare 5.0 L of a 3.50 M solution of Potassium Hydroxide (KOH), how many grams of Potassium Hydroxide must be used?
Calculate the percent yield for the reaction: P4 (s) + 6 Cl2 (g) → 4 PCl3 (l) if 75.0 g of phosphorus reacts with excess chlorine gas to produce 111.0 g of phosphorus trichloride.
For the equilibrium H2(g)+ CO2(g) H2O(g)+CO(g) Kc=3.18 at 1106K. If each of the four species was initially present at a concentration of 3.000M.
How much heat energy would be needed to raise the temperature of a 15.0 g sample of iron (C = 0.448 J/goC) from 22.0 oC to 100.0 oC?
The water level in a graduated cylinder initially at 211 rises to 282 after a piece of lead is submerged. What is the mass in grams of the lead.
You are given 2.56 g of salicylic acid. Using the procedure in the lab manual for the synthesis of aspirin, you recover 0.89 of aspirin. Calculate your percent yield of aspirin
The solubility of N2 in blood at 37°C and at a partial pressure of 0.80 atm is 5.6 10-4 mol/L. A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 3.6 atm.
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