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PROBLEM 1. How many kilograms of methane (CH4) are in perfectly insulated piston with the following properties: Volume = 2 cubic meters. Pressure = 3 bar absolute. Temperature = 50 Celcius? The ideal gas law constant R = 0.00008314 cubic meters.bar/K/gmol. Assume methane is an ideal gas.
2.For the system in PROBLEM 1, the volume is reduced by half (the gas is compressed). What is the final volume, pressure, temperature, and number of moles of gas? Use Cp/Cv = 1.3.
You are about to perform a reaction that requires 1.25 mol of CaCl2 to go to completion. The solution available in the stock room has a concentration of 33 % w/v. How many mL of this solution will you need to use? A. 46 mL B. 420 mL C. 0.034 mL D...
Compare alkalide ion with the neutral alkali atom - For a given alkali metal, how does the ionic radius of the alkalide ion compare to that of the neutral alkali metal atom? Explain using physical arguments.
How much difluoroacetic acid (d = 1.526g/cm^3 MW = 96.033) should be transferred to a 500 mL volumetric flask that's half full of water to generate
A 2.0 L-reaction flask initially contains 0.17 mol CO, 0.15 mol H2, and 0.10 mol CH3OH (methanol). If this mixture is brought in contact with a zinc oxide-chromium(III) oxide catalyst, the equilibrium shown below is attained.
What is the value of Ecell for a concentration cell that combines silver electrodes in contact with 0.10 M silver nitrate and 0.00003 M silver nitrate solutions? ( E = + 0.80 V for Ag/Ag+)
Phosphorus pentachloride is used in the industrial preparation of organic phosphorus compounds. Equation 1 shows its preparation from PCl3 and Cl2.
an auto mechanic spills 90. ml of 2.6 m h2so4 solution from a rebuilt auto battery. how many milliliters of 2.5 m
If a solution containing 46.46 g of mercury(II) acetate is allowed to react completely with a solution containing 7.410 g of sodium sulfide, how many grams of solid precipitate will be formed?
the resulting solution exerts an osmotic pressure of 829 torr. what is the molar concentration of the solution? how many moles of solute are in the solution? what is the molar mass of the solute?
An unknown, rectangular substance measures 3.6 cm high, 4.21 cm long, and 1.17 cm wide. If the mass is 21.3g, what is this substance's density?
what is the heat flow of hot water added to cold water? What is the heat flow of the cold water? hot water was 52.5 C the cold water was 21.7 C the final temperature was mass of cold water was 49.35g
Compute the volume (in mL) of a 0.570 M KOH solution that must be added to 6.000 g of HEPES MW=238.306 g/mol, pKa = 7.56 to give a pH of 7.72.
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