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Calculate the volume in liters occupied by 0.350 moles of propane gas at a pressure of 0.850 atmospheres at 25.0C
A sample of gas occupies 1.55L at STP. Remember, pressure at STP is 1.0 atm. What will the volume be if the pressure is increased to 50 atm while the temperature remains constant
If 34.0 mL lead(II) nitrate solution reacts completely with excess sodium iodide solution to yield 0.640 g precipitate, what is the molarity of lead(II) ion in the original solution?
Three gases (8.00 g of methane, CH4, 18.0 g of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.0 deg C , the total pressure in the container is 3.60 atm. Calculate the partial pressure of each g..
A 15.00 mL sample of a 0.100 M solution of lead(II) nitrate is reacted with 10.00 mL of 0.170 M sodium chloride. How many grams of lead(II)
How many moles of H2 can be produced from x grams of Mg in magnesium-aluminum alloy? The molar mass of Mg is 24.31 g/mol
A sample of helium effuses through a porous container 6.5 times faster than does unknown gas X?
Identify each of the following unbalanced aqueous reactions as an acid/base reaction (a), a redox reaction (r) or a precipitation reaction (p).
A sample of 6.022 g of CH4 is enclosed in a 12 L container at 402 K. What is its pressure in atmospheres
A 13.4-g sample of CaCl2 is dissolved in 109 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution
A carbon-carbon bond requires 348kj/mol to break. What is the longest wavelength of radiation with enough energy to break carbon-carbon bonds?
A steel tank with a volume of 9.583 L contains N2 gas under a pressure of 4.972 atm at 31.8 °C. Calculate the number of moles of N2 in the tank.
What is the value of at this temperature? 23.15 At this temperature the rate constant for the reverse reaction is 310. . What is for the reaction?
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