Calculate the work of an ideal gas at an initial pressure
Calculate the work w when 0.7 litre of an ideal gas at an initial pressure of 4.2 atm is expanded or compressed isothermally to a final volume of 4.2 litres into a vacuum. Give your answers in J.
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Determine whether Rachel's basket weaving shop should carry the basic introductory kit with undyed and uncut reeds o2 the Stage 2 kit with reeds already dyed and cut. Prepare an incremental analysis to support your answer.
Limestone, CaCo3, when subjected to a temperature of 900 degrees Celsius in a kiln, decomposes to calcium oxide and carbon dioxide.
A 25.0 g piece of aluminum at 4.0 degrees is dropped into a beaker of water. The temperature of water drops from 75 to 55 degrees. What amount of heat did the aluminum absorb? The specific heat of Al is 0.902 J/g x c
At equilibrium, [A] = 0.420 M and [C] = 0.580 M. Calculate the value of the equilibrium constant, Kc.
A student removes the thermometer and stirring wire in part b of the experiment to add the naphthalene, and wipes them off, losing .50 mL of cyclohexane. What percent error will this introduce if the original 5.00mL is used in the calcuations?
Hugo Reyes Company had the following account balances at year-end: Cost of goods sold $70,040; Merchandise inventory $22,410; Operating expenses $29,790; Sales $119,827; Sales discounts $1,580; and Sales returns and allowances $1,910.
Question: You have a prepared buffer solution from benzoic acid, and its conjugate sodium benzoate. Ka = 6.3 x 10^-5 for B.A. If you have 750 mL of a .125M benzoic acid solution and add 19.5 G of sodium benzoate. what is the result buffer pH?
What will be the osmotic pressure of a solution when 4.5 x 10-5 mol of a solute is dissolved in 152.0 mL of solution at 300.0 K? R = 0.08206 Latm/molK
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