What will the new pressure be
If 200 ml of gas at 400 torr is transferred to a 20.0 ml cotnainer. What will the new pressure be if the temperature is kept constant?
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In a reaction between pure acetic acid and sodium bicarbonate, 11.2 grams of sodium bicarbonate was added to 21.0 mL of acetic acid. How many moles of carbon dioxide do you expect to be produced?
Calculate the total volume of gas (at 124C and 758mmHg) produced by the complete decomposition of 1.45 kg of ammonium nitrate.
A 75 mL solution of 0.030 M Ca(OH)2 is titrated with 0.035 M HCl. Calculate the pH of the mixture after 60 mL of HCl have been added.
A gas mixture composed of helium and argon has a density of 0.727g/L at a 755mmHg and 298K. What is the composition of the mixture by volume?
Calculate the change in entropy that occurs when 17.10 g of ice at -13.8°C is placed in 54.05 g of water at 100.0°C in a perfectly insulated vessel.
If the concentration of CO in the equilibrium mixture is 0.2 M, what mass of methanol was initially introduced into the vessel?
A mineral crystallizes in a cubic closest packed array of oxygen ions with aluminum ions in some of the octahedral holes and magnesium ions in some of the tetrahedral holes.
If the walls in a room are 955 square feet in area, and a gallon of paint covers 15 square yards, how many gallons of paint are needed for the room?
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