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Study Boyle's experiment, some nitrogen gas at 1 atmosphere pressure is intent in the left hand side of a J tube. When the column of mercury is extended by adding more to the right hand side, Define the original volume of the enclosed gas (100 mL) becomes only 36 mL, find out the new pressure on the enclosed gas.
1. 3.33 atmospheres
2. 5.55 atmospheres
3. 2.47 atmospheres
4. 3.04 atmospheres
5. 2.78 atmospheres
for the reaction a rarr 2b the reaction rate is equal to its rate constant of 0.447mol l-1min-1. your value for ao
The Kb of ammonia is 1.8 x 10-5. What is the percent ionization of a solution of ammonia, 0.50 mol L-1 NH3, that contains 0.020 mol L-1 of ammonium nitrate, NH4NO3
If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter without the water was 1.75 kJ/degrees Celsius, calculate the molar heat of the combustion of methanol
Formic acid, HCOOH, the simplest carboxylic acid, is used in the textile and rubber industries and is secreted as a defense by many species of ants (family Formicidae). Calculate the percent dissociation of 0.38 M HCOOH.
The density of benzene at 25.0 degrees C is 0.879g/cm3. What is the volume in liters of 2.5 kg benzene?
An electrical motor is used to operate a Carnot refrigerator with an interior temperature of 0.00 C. Liquid water at 0.00 C is placed into the refrigerator and transformed to ice at 0.00 C
a gas has a volume of 2.57L, a pressure of 1.54 atm, and a temperature of 24.5 C. calculate the number of moles of gas present.
an aqueous solution is made by dissolving 2.569 grams of potassium phosphate k3po4 diluting to exactly 500.00ml in a
You have a mixture containing the following pairs of compunds as solid. which of the following reagents could you use to separate the two compunds from each other
The solution was boiled to remove CO2, following which the excess HClO4 was back-titrated with 10.12ml of dilute NaOH. In a separate experiment, it was established that 27.43 ml of HClO4 neutralized the NaOH in a 25ml portion. Calculate the molari..
find the change in the fraction of visibility for a person from planet krypton with x-ray vision in addition to visible
Occupies 6.0 cubic meters at a pressure of 1.5 atm. The pressure is then expanded to 2.0 atm. The temperature remaining constant, what is the new volume of the gas?
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