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A gas is confined to a container with a massless piston at the top. A massless wire is attached to the piston. When an external pressure of 2.00 atm is applied to the wire, the gas compresses from 4.40 to 2.20L . When the external pressure is increased to 2.50 atm, the gas further compresses from 2.20 to 1.76L . In a separate experiment with the same initial conditions, a pressure of 2.50 atm was applied to the gas, decreasing its volume from 4.40 to 1.76L in one step. If the final temperature was the same for both processes, what is the difference between q for the two-step process and q for the one-step process in joules?
Does the reaction occur spontaneously at the temperature of 298 K and standard state conditions also Calculate the value of S°univ.
what is the molarity of a solution made by dissolving 26.42g of (NH4)2SO4 in enough H2O to make 500 mL of solution?
If a mixture containing 27.76 g each of NH4Cl and Ca(OH)2 is heated, how many grams of NH3 will be produced. Which reactant remains in excess, and in what mass
The normal range for the carbonyl group of a carboxylic acid in the IR spectrum is 1725 - 1700 cm-1. Why is the carbonyl group of benzoic acid appear at 1696 cm-1
A 0.15 M solution of chloroacetic acid has a pH of 1.86 What is the value of Ka for this acid
The mercury level in the open end of the manometer is 22 mm below that in the side connected to the argon. What is the pressure of argon, in mmHg
A chemist prepares a solution by dissolving 4.168 g of NaNO3 in enough water to make 200 mL of solution. What molar concentration of sodium nitrate should appear on the label.
Why do immunoglobulins have both "constant" and "variable" regions? explain how this aspect of the structure is important for the function of each region.
To make a 325 mL solution of 0.150 M NaCl, how many grams of NaCl need to be weighed out?
Why do we measure the volume of the flask with water rather than using the volume listed on the side?
At what temperature will air (MW=29) have the same density as helium at 300 K, both gases at the same pressure.
What is the molar concentration of Na+ ions in 0.035 M solutions of the following sodium salts in water
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