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A sample of gas has an initial volume of 3.50 L at a pressure of 970. torr and a temperature of 25 oC. If the sample is heated to a temperature of 40. oC and expands to a volume of 6.80 L, what is the final pressure in torr?
calculate the composition in weight percent of an alloy that contains 90 kg of fe 20 kg of cr and 15 kg of ni. what is
If the pollutant to be removed has a concentration of 100 mg/L and decays by 1st-order kinetics with a rate coefficient of 2.25 d-1, what percent removal is achieved if one uses the theoretical hydraulic retention time of the reactor. What percent..
A compound contains 10.13% C and 89.87% Cl (by mass). Determine both the empirical formula and the molecular formula of the compound given that the molar mass is 237 g/mol.
Using the ideal gas law, pV = RT, prove that the volume of one mole of ideal gas is a state function
an 11.0-g of NaCl is dissolved in 125 g of water, with both substance at 25.0'C. calculate the final temperature of the solution assuming no heat lost to the surrounding and assuming the solution has a specific heat capacity of 4.18J/'C g
Why can water stay in bucket if you spin it upside down, if you spin the bucket fast enough? What are some practical applications of this?
a gas mixture being used to stimulate the atmosphere of another planet consists of 323 mg of methane, 165 mg of argon, and 223 mg of nitrogen. The partial pressure of nitrogen at 275 k is 19 kPa.
The molar heat capacity of silver is 25.35J/mol*C . How much energy would it take to raise the temperature of 11.9g of silver by 11.6C
What is the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 67.5 mL of the buffer
the isomerization of cyclopropane to form propenenbsp is a first-order reaction. at 760 k 85 of a sample of
How do you arrange PV=nRT to give equation relating pressure to concentration and use it to modify Beer's Law to apply to gas pressure? Write a formula that relates absorbance to gas pressure.
Suppose a house has a floor area of 2250 square foot. What is the area in units of square centimeters
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