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What is the pressure exerted by 87.2 g of chlorine gas in a 14.0-L vessel at 12.3oC? (R = 0.08206 L atm K-1 mol-1)
A 6.9L balloon is filled with He at 1.00 bar pressure at 298k. How many He atoms are in the balloon?
Using a sample of 350. mL air is collected at 35 Celsius has a pressure of 550. torr. if it is allowed to expand to 425 mL at 57 Celsius then What pressure will the air exert?
Calculate the [H3O+] of a solution that has an [OH-] of 0.000 0060M. Is the solution acidic, basic, or neutral? (show answer in two decimal points).
Calcium hydride reacts with water to give gaseous hydrogen and calcium hydroxide
Is 1.39 at 400oC. Suppose that 1.4 mole of P4 (g) and 1.25 mol of P2(g) are mixed in a closed 25.0-L at 400oC. Determine the reaction quotient and the direction of the reaction.
a tire has a pressure of 780 mmhg at 27degc. if the tire is heated to 47degc on hot pavement what the new pressure will
To titrate a 5.00 mL sample of a saturated aqueous solution of sodium oxalate, it requires 25.31 mL of 0.02233 M potassium permanganate. How many grams of sodium oxalate would be present in 250.0 mL of the saturated solution
the mass of an average blueberry is 0.78 g and the mass of an automobile is 2100 kg. find the number of automobiles
A process involves the performance of electrical work in the amount w' on a system. Show that if the process is carried out
A hydrated iron chloride compound was found to contain 20.66% Fe, 39.35% Cl, and 39.99% water. Determine the empirical formula of this hydrated compound.
An electron in a hydrogen atom relaxes to the n = 4 level, emitting light of 114 THz. What is the value of n for the level in which the electron originated
Which way should the equilibrium shift when HCl is added? How do your results support your answer . Which way should the equilibrium shift when Na2EDTA is added? How do your results support your answer?
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