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1.75 moles of an ideal gas, for which Cv,m =3R/2, initially at 32.0 C and 2.50*10^6 pa undergoes a two-stage transformation. For each of the following states described in the following list, calculate the final pressure, as well as q, w, ?U, and ?H. a) the gas is expanded isothermally and reversibly until the volume doubles
When benzoic acid reacts with sodium hydroxide, what happens to the covalent molecule
Based on polarity, which compound do you expect to have a larger Rf value in a soluvent of medum polarity
a sample of SO2 gas which weighs 0.81 grams has a volume of 1.20 liters when collected at 25 degrees celcius, what would be the pressure of the gas sample?
Calculate the theoretical yield of C_2H_5Cl when 127 g of C_2H_6 reacts with 250 g of Cl_2, assuming that C_2H_6 and Cl_2 react only to form C_2H_5Cl and HCl.
A student dissolves 1.01 grams of nicotinic acid, C_6_H_5_NO_2_, in water to give 60 mL of solution having a pH of 2.67. What is the approximate value of Ka for the acid based on this observation?
Suppose an additional gaseous component, e.g. helium, is pumped into the system, keeping the volume of the container fixed, until the final pressure is 100 atm. Assume that the helium does not dissolve in water but remains pure. Assume water is in..
How many grams of P2O5 gas are present in a 750 ml container that is at 75 degrees C and at a pressure of 590 mm Hg?
The spectrophotometer is to be set at 447nm. What experiment could you do, what data would you collect
175g pure H2O was placed in a constant-pressure calorimeter and chilled to 10C 9.8g pure H2SO4 (also 10C) was added, stirred and the temperature rose to 19.8C.
0.80 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
A buffer is prepared by mixing 453 mL of 0.143 M HCl with 983 mL of 0.848 M ammonia (NH3). Given that the Kb of NH3 is 1.8 x 10-5, calculate the pH of the solution.
How many g of NaCl are required to prepare 250.0 mL of a 0.3440 M solution of NaCl in water?
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