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Josh, Liz, and Mia take a one way trip to Venus. The entire spaceship has a weight of 12,445kg. The gravity of Venus is 1/2 of Earth. Find the weight and mass of the entire spaceship.
A hypothetical metal has a face-centered cubic unit cell with the edge length of 4.566 Å. Calculate the radius of the metal atom.
The vapor pressure of water is 439 mm Hg at 358 K, and the enthalpy of vaporization is 40.7 kj/mol.
the system is at equilibrium co2g h2g h2og cog at some temperature.a vessel of 4.00 l contains 1.00 mole carbon
what would be the atmospheric pressure of MTBE in Pa If this sample were at equilibrium with atmospheric MTBE? KH = 1.7 M/atm.
Assuming that acetic acid (HC2H3O2) has one acidic H and is the only acid in vinegar; calculate the concentration of HC2H3O2 in this sample. (Ka=1.8e-5)
A solution of Na3PO4 is added dropwise to a solution that is 0.0494 M in Ag+ and 0.00318 M in Cu2+. The Ksp of Ag3PO4 is 8.89e-17. The Ksp of Cu3(PO4)2 is 1.4e-37. (a) What concentration of PO43- is necessary to begin precipitation
When one mole of hydrogen iodide(HI) is stored in a 1-liter container at 444 oC, 22 % of HI wil be dissociated at equilibirum. Calculate the equilibrium constant of the reversible reaction of hydrogen iodide (HI)at 444 oC.
A mixture consisting of 0.130 mol N2, 0.041 mol O2, 0.100 mol CH4, and an unknown amount of CO2 occupies a volume of 8.90 L at 25°C and 1.09 atm pressure. How many moles of CO2 are there in this sample
Sodium phosphate is added to a solution that contains 0.0014 M aluminum nitrate and 0.078 M calcium chloride. The concentration of the first ion to precipitate (either Al3+ or Ca2+) decreases as its precipitate forms
The mixture of hot iron and aluminum is then dropped into 95.7 g of water at 20.0°C. Calculate the final temperature of the metal and water mixture, assuming no heat loss to the surroundings.
what concentration in ppm would it constitute? The effective volume of the earth's atmosphere is about 4.2 billion km^3, and take the average pressure to be 550 mm Hg and the average temperature to be -10 degrees C. The molar mass of air is 29 g/m..
you have a 550 ml tank of gas with a pressure of 1.56 atm at 24.0degc. you thought the gas was pure carbon monoxide but
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