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Calculating Volume, Pressure & Density1. A sample of CO2 gas at 22°C and 7.71 atm has a volume of 6.0 L. If the pressure decreases to 5.42 atm, what is the volume? (Round your answer to one decimal place)
2. 120 mL of ethyl alcohol, C2H5OH, is poured into a soft drink bottle at room temperature. The ethyl alcohol weighs 32.4 g and the bottle is heated to 100°C. What is the pressure after heating? (Round your answer to the nearest whole number)
3. Calculate the density, in g/L, of SO2 at 75°C and 1.33 bar. (Round your answer to two decimal places)
Questions on chemical equations - Write a balanced equation for this reaction. Include the states of matter for each compound.
A pound of coffee beans yields 30 cups of coffee (4 cups = 1 ). How many milliliters of coffee can be obtained from 1.0 of coffee beans.
A sample of gas at 47°C and 1.03 atm occupies a volume of 2.20 L. What volume would this gas occupy at 110.°C and 0.795 atm?
At 8:00 a.m., a patient receives a 58-mg dose of I -131 to obtain an image of her thyroid. If the nuclide has a half-life of 8 days, what mass of the nuclide remains in the patient at 5:00 p.m.
A physiological saline solution contains 164 mEq/L each of Na+ and Cl-.How many moles each of Na+ and Cl- are in 0.500 L of the saline solution.
Determine the limiting reactant -reaction mixture initially contains no products
A situation with an industrial input of arsenic directly into the lake at 10kg/Day. The lake volume is 1.2 x 10^8 m^3, and the average depth is 10m.
The boling point of water in city a is 94 degrees celcius and in city b it is 97 degrees celcius. which is at the higher elevation.
Calculate the mass, in grams for a gold sample that absorbs 225 J to change its temperature from 15 Celsius to 47 degrees celsius.
At 250C, the equilibrium constant Kp for the reaction PCl5(g) PCl3(g) + Cl2(g) is 1.80. Sufficient PCl5 is put into a reaction vessel to give an initial pressure of 2.74 atm at 250C. Calculate the pressure of PCl5 after the system has reached equi..
A solution of phosphoric acid was made by dissolving 10.0g H2PO4 in 10.0 mL of water. The resulting volume was 104 mL. Calculate density, mole fraction, molarity, and molality of the solution.
what volume and mass of steam at 100c and 1.00 atm would release the same amount of energy during condensation as 100.cm3
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