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Problem- 15.0 moles of gas are in a 3.00L tank at 21.8?C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300L2?atm/mol2 and b=0.0430 L/mol.
As much detail as probable is really appreciated
Explain what is the relationship between the moles of base and the moles of a monoprotic acid in a neutralization reaction
the freezing point of a CaCl2 solution is -25 degrees C. a) what is the molality(m) of the CaCl2 solution? b) what is the boiling point of the CaCl2 solution
Aqueous solutions of nickel(II) sulfate and mercury(I) nitrate react to give aqueous nickel(II) nitrate and a mercury(I) sulfate precipitate
Question- What enzyme catalyzes the formation of inositol 1,4,5-triphosphate from inositol 1,4-diphosphate? What is the structure of the reactant and the product
Given the values of Ka and Kb below, which of the systems given would be most suitable to use to construct a buffer of pH 9 and WHY
A would-be around-the-world balloonist is preparing to make a trip in a helium-filled balloon. The trip begins in early morning at a temperature of 15oC. By mid-afternoon, the temp has increased to 30oC. Presuming the pressure remains constant at ..
The rate at which an Australian tree cricket chirps is 184 per minute at 35 degrees C, but only 50 chirps per minute at 10 degrees C. Assuming that cricket chirping follows the Arrhenius Law, what is the activation energy for the cricket chirping
A mixture of 1.374g of H2 and 70.31g of Br2 is heated in a 2.00 L vessel at 700 K. These substances react as follows: H2(g) + Br2(g) 2HBr(g) At equilibrium the vessel is found to contain 0.566g of H2.
Octane is a liquid component of gasoline. Given the following vapor pressures of octane at various temperatures,estimate the boiling point of octane in Leadville, Colorado, where the atmospheric pressure is 496 mmHg.
What minimum pressure must be supplied to a reverse osmosis water purification system in order to overcome the osmotic pressure in water that is 1.24 M in total dissolved ions at 16 C?
a buffer composed of .250 mol H2PO4- and .250 mol HPO4^2- diluted with water to a volume of 1.00L. the pH of the buffer is 7.210 how many moles of HCl must be added to decrease the pH to 6.700
This molecule has a charge of n-. By changing the overall charge, n, from 1- to 2- to 3- we get three different polyatomic ions. For each of these ions a) identify the central atom and b) determine the formal charge of the central atom, X.
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