Determining the heat capacity
The molar heat capacity of a gas at constant pressure is 18.7J mol-1 K-1. What is the heat capacity of 9.4 moles of this gas at constant volume?
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When a 2.00 L flask containing 1.50 atm of gas A is joined with a 2.50 L flask containing 0.350 atm of gas B, and the stopcock between the flasks is opened, and the gases are allowed to mix thoroughly, the following reaction proceeds at constant t
If 600 j of heat are added to 50 g of water initially at 20 degrees C. How much energy is this in calories? What is the final temperature of the water?
Analysis of water in a sediment sample at equilibrium at ph 7.00 showed [so42-] = 2.00 x 10^-5 m and a partial pressure of h2s of 0.100 atm. show with appropriate calculations if methane, ch4, would be expected in the sediment.
How many grams of benzoic acid (C6H5COOH) are contained in a 75 mL solution at 0.24 M concentration?
How many grams of sodium lactate (CH3CH(OH)COONa) should be added to 1.00 L of .160 M lactic acid (CH3CH(OH)COOH) to form a buffer solution with a pH=3.90? Assume that no volume change occurs when that lactate is added.
A thin plate of copper is suspended in seawater. If the corrosion rate is 0.9 mpy (mils per year) and the plate is a square of dimension 3.5 in. per side, how much weight loss (in mg) is expected in 16 days. Express your answer in the form X.X, ro
The first-order rate constant for the decomposition of a certain antibiotic in water at 20 degrees celsius is 1.65 yr^-1. If a 6.0 x 10^-3 M solution of the antibiotic is stored at 20 degrees celsius.
A solution contains 8.90g of KBr in 500.0mL of solution and has an osmotic pressure of 6.99atm at 25 degree C. Calculate the van't Hoff factor for at this concentration.
A 2750 ml sample of 3 M HCl solution is treated with 4.66gm of magnesium. Calculate the concentration of the acid solution after all the metal has reacted. Assume that the volume remain unchanged.
Is the reaction of iodoethane with sodium saccharin a SN1 or SN2 reaction. Explain why
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