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A process involving a perfect gas is carried out in which the temperature changes at constant volume. First, the process is carried out for a fixed value of ?T and the mass of the gas is doubled. Then, the process is repeated with the same initial mass and ?T is doubled. For which of these processes is ?S greater? Why?
How much heat, in calories, does it take to warm 540 grams of water from 11.0 degrees Celsius to 37.0 degrees Celsius
describe the mechanism for the reaction of bromine to Ethene and state the type
1.664 g of a solid white acid are dissolved in water and completely neutralized by the addition of 45.37 mL of 0.580 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid.
A proton in a linear accelerator has a de Broglie wavelength of 158 pm, What is the speed of the proton?
What is the percent yield of a reaction in which 216 g phosphorus trichloride reacts with excess water to form 134 g HCl and aqueous phosphorus acid (H3PO3)
If 3.0g of N2 gas has a volume of 0.50 L and a pressure of 5.0 atm, what is its Kelvin temperature
What type of mineral source (sulfide, oxide, halide, phosphate, silicate, carbonate, etc) are the following elements typically isolated from? Write the chemical formula for the source mineral (for example: silver, typical mineral source = silver s..
Important information about Solution Concentrations, Find the concentration of 500mg of alltrans retinol 0.1% per 1 ounce of solution.
It requires 20.65 mL of 0.3000 M NaOH solution to titrate both acidic protons in 40.00 mL of the tartaric acid solution Write the net ionic equation.
Formulate a reaction mechanism to show how, with excess acetic anhydride ,2-methyl benzisoxazinone might be formed.(Hint: acetylation of the amino group should occur first). How many moles of acetic anhydride are consumed in this reaction?
What is delta G for this reaction at 298 K when the partial pressures are PC2H6 0.15 atm, PH2 0.15 atm, and PCH4 0.75, What is the delta G in kJ/mol?
Calculate the pH of a solution resulting from the titration of 50mL of 0.04M HBr with 25 mL of 0.107M KOH. Give your answer to two decimal places
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