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A 2.14-L sample of HCL gas at 2.61atm and 28 Celsius is completely dissolved in 668mL of water to form hydrochloric acid solution. Compute the molarity of the acid solution. Presume no change in volume.
calculate the equilibrium constant keq for the reaction of equimolar amounts of acetophenone and sodium hydroxide to
What would happen to the A450 valure for a sample as test tube#10(is included 1ml of 0.0025M Fe(NO3)3 , 1ml of 0.0025M KSCN, and 5ml of 0.1M HNO3 ) ,if accidentally added 5 drops of disodium hydrogen phospate
How many molecules of gas could be confined in 230 mL at a pressure of 740 mmHg and a temperature of 25 degree C?
The temperature of the calorimeter increased from 24.5oC to 26.7oC. If the heat capacity of the calorimeter is 4.46 kJ (oC)-1, then what is the constant volume heat of combustion of this compound, in kilojoules per mole? (Remember to include a "+"..
What is the molar concentration of the excess reactant once this reaction has finished? (40%)
Chemistry - Other explained in this solution, If world energy consumption continues to rise at the present rate of 2.4%, how long will it take to double (expressed in years)?
If 18.1mL of 0.800M HCl solution are needed to neutralize 5.00mL of a household ammonia solution, what is the molar concentration of the ammonia
Determine the dissociation constants for the following acids. Express the answers in proper scientific notation where appropriate
Isotactic polystyrene that has a density of 1.12 g/cm3 and a weight-average molecular weight of 150,000 g/mol; syndiotactic polystyrene that has a density of 1.10g/cm3 and a weight-average molecular weight of 125,000 g/mol
a solution of koh is prepared and is standardized against 0.5418 g of khp. the phenolphthalein endpoint was reached by
Imagine two solutions with the same concentration and same boiling point, but one has benzene as the solvent and the other one has carbon tetrachloride as a solvent.
An enclosure of volume 0.398 L has a partial pressure of O2 of 3.50 10-6 torr at 30.°C. What mass of magnesium will react according to the following equation. 2 Mg(s) + O2(g) → 2 MgO(s)
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