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Three gases (8.00 rm g of methane, rm CH_4, 18.0 rm g of ethane, rm C_2H_6, and an unknown amount of propane, rm C_3H_8) were added to the same 10.0-rm L container. At 23.0 ^circrm C, the total pressure in the container is 4.90 atm. Calculate the partial pressure of each gas in the container.
Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane.
How many grams of NH4Cl must be added to 0.490 L of 1.00 M NH3 solution to yield a buffer solution with a pH of 8.90?
a metal object with a mass of 19g is heated to 96 degrees Celsius, then transferred to a calorimeter containing 75g of water a1 18 degrees Celsius. The water and metal object reach a final temperature of 22 degrees Celsius. What is the specific he..
What volume of the solution must be used to make 800 mL of 0.15 M. potassium permangate from a 0.20 M. potassium stock solution.
Draw a doagram to show the changes in potential energy that occur from the rotation around the C1-C2 bond of 1-bromopropane.
How many grams of O2 will be required to completely react with 2.43 grams of Mg metal ribbon to produce MgO.
ow many stereo-isomers would there be if a molecule had four chiral centres, Rank the different carbocations in order of their stability.
Which of the following is a use for nuclear energy?
a bomb clorimeter contains 2.5 liters of water if the combustion of .175 moles causes the temperature of the water to rise 45 degrees celsius, what is the molar heat of combustion.
A sample of neon gas is held in a rigid 1.814L container with a pressure of 1.273atm at 25 C. 3.193g of an unknown gas is added to the container. The temperature remains constant, but the pressure rises to 2.386atm. What is the molar mass of the a..
Derive the fractional compositions for monoprotic and diprotic systems showing the steps as clear as possible including a brief description of a fraction compostion plot.
A pure fluid is described by the following expression for Gibbs free energy: G = gamma(T) + RTlnP, where gamma(T) is a substance specific function of temperature.
what is the theoretical (or calculated) yield of NH4 Al (SO4)2 * 12 H2O formed from 1.872 g of Al(OH)3?Assume all other reagents are in excess
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