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Compression and Cooling of Nitrogen Gas. A volume of 65.0 ft^3 of N2 gas at 90°F and 29.0 psig is compressed to 75 psig and cooled to 65°F. Calculate the ?nal volume in ft^3 and the ?nal density in lbm/ft^3. [Hint: Be sure to convert all pressures to psia ?rst and then to atm. Substitute original conditions into Eq. (pV=nRT) to obtain n, lb mol.]
For the reaction 2HCl+Na2CO3 →2NaCl+H2O+CO2 what volume of 0.45 M HCl solution would be needed to produce 2.5 L of CO2 at STP?
what mass of (NH4)2SO4 must be dissolved in 0.100L of 0.350M NH3 to produce a buffer solution with pH 10.05?
What is the theoretical yield and percent yield for this reaction under the given conditions?
What volume of 0.128 M Li2S solution is required to completely react with 170. mL of 0.128 M Co(NO3)2?
A buffer that contains 0.55 M base, B, and 0.30 M of its conjugate acid, BH+, has a pH of 8.94. What is the pH after 0.0020 mol HCl is added to 0.25 L of this solution.
How much copper metal can be obtained by the single replacement reaction between copper (1) nitrate and 30.0g of iron metal. (iron (2) nitrate is formed.)
A gaseous mixture of O2 and Kr has a density of 1.184 g/L at 385 torr and 300. K. What is the mole percent O2 in the mixture?
Find the Density of a substance with a mass of 51.2g and a volume of 150mL
It is desired to inflate a baggie with a volume of 959 milliliters by filling it with hydrogen gas at a pressure of 0.544 atm and a temperature of 284 K. How many grams of H2 gas are needed?
Calculate the resulting CO2 concentration in the atmosphere 30 years from now assuming that we will use only coal to generate electricity. Assume efficiencies of 40% for power plants.
Determine the change in Ssys for the process if specific heat capacity for ethanol = 2.42 J/g K. express your answer in units of J/K
If a 2.743g sample of MgSO4.7H2O were heated strongly,what would be the expected mass of the cooled dehydrated salt
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