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If 860 liters of neon at 45°C and 800 mm. are decreased to 700 liters at the same pressure, what is the new temperature of this gas?
How many grams of oxygen are collected in a reaction where 265mL of oxygen gas is collected over water at a temperature of 25 degrees celcius and a total pressure of 696 torr
Your friend decides to decrease cooking time for spaghetti noodles by adding table salt to 2.0 L water. How much table salt (NaCl) must be added to the water in order to raise the boiling point by 4.0?C? (Kf = 1.86?C/m, Kb = 0.512?C/m)
An impure sample of sodium carbonate, (Na2CO3) is allowed to react by dissolving it in an aqueous solution of 0.134 M HCl, according to the following reaction:
How many grams of dry NH4Cl need to be added to 2.10 L of a 0.500 M solution of ammonia, to prepare a buffer solution that has a pH of 9.00? Kb for ammonia is 1.8*10^-5.
suppose 2.8 moles of methane are allowed to react with 5 moles of oxygen? what is the limiting reagent?How many moles of CO2 can be made from this mixture? How many grams of CO2 would produce?
Find the pH solution & Hydronium ion concentration and What is the pH of a solution of 0.17 M acid and 0.81 M of its conjugate base if the pKa = 8.62?
Determine the molar concentration of chloride ions after adding 225 ml of 0.625 MKCL with 615 ml of 0.385M MgCl2 if final volume of the solution is 840ml.
Desribing molecular forces of C5H6O, CH2=CH-CH=CH-CH=O, THREE double bonds. We are asked to describe the bond and angle terms of this structure.
what is the density of a sample of ammonia gas if the pressure is 705 mmHg and the temperature is 63.0 degrees C
How much energy (heat) is released when 1.9 moles of H2 reacts with 0.7 moles of Cl2 to create HCl(g) if the ΔHrxn = -184.6 kJ.
A cylinder contains a mixture of hydrogen and chlorine molecules. Compare without doing any calculations
A solid brick of dry ice (CO2) weighs 0.75 kg. Once the brick has fully sublimated into CO2 gas, what would be the volume of solid brick at STP.
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