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if 0.55 g of a gas dissolves in 1.0 l of water at 20.0 kPa of pressure, how much will dissolve at 110.0 kPa of pressure?
The vapor pressure of water is 439 mm Hg at 358 K, and the enthalpy of vaporization is 40.7 kj/mol.
Determine the value of Faraday used If the electrolysis was carried out for eighty minutes with a current of four amperes flowing
A 2+ ion of a particular element has an atomic mass of 203 and 123 neutrons in its nucleus, a) what is the nuclear charge in this element. Why? b) what are the symbol and name of this element? How do you know?
The molar heat of vaporization at 298 K for diethyl ether(C4H10O) is 26.0 kj/mol. How much heat would be requiered to vaporize 0.714 g of ether at 289 K?
what is the molar mass of gas if 0.250 g of the gas occupies 215 mL at 61 8mmHg and 30. 0C
The distance between layers in a crystal is 281 pm. X rays are diffracted from these layers at an angle of 19.0°. Assuming that n = 1, calculate the wavelength of the X rays in nm.
By what factor (The factor is the ratio of the rates) does the rate of this isomerization reaction increase as the temperature increases from 256 degree celsius to 297 degree celsius ?
If you set the freezing point of oleic acid as 0 and the boiling point as 130, what is the freezing point of water on this new scale?
If a 100.0 g sample of water at 60.0 degreesC is added to a 100.0 g sample of water at 10.0 degrees C, determine the final temperature of the water.
In a gas mixture, the partial pressures are argon 425 , neon 60 , and nitrogen 125 .What is the total pressure exerted by the gas mixture?
when 0.500 l of a 2.00 m solution of Pb(NO3)2 is mixed with an excess of 1.00m solution of Ki, how many grams lead (II) iodide are formed? ( molar mass: Pb(NO3)2= 331 g;KI 166g; PbI2 =467 g; KNO = 101 g
The equilibrium lies far to the right. The reaction will proceed very slowly. The reaction contains significant amounts of products and reactants at equilibrium. The equilibrium lies far to the left.
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