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Consider the gases CH4, O2, and CO2, all at the same temperature. Arrange the gases in order of increasing average molecular speed. How does the average EK of the gases compare? Draw the "fraction of the molecules vs molecular speed" curves for the three substance on the same grid.
A sample of natural gas at STP is 78% CH4 and 22% C2H6 by volume. How many moles of each gas are present in 2.00 L of the mixture. Assume Ideal gas behavior.
Chlorine dioxide, ClO2, is a reddish yellow gas used in bleaching paper pulp. The average speed of a ClO2 molecule at 25 degrees Celsius is 306 m/s. What is the kinetic energy of a ClO2 molecule moving at this speed?
Equal volumes of 1 x 10-5 M solutions of Cd2+ and CO32- ions are mixed in one flask and equal volumes of 1 x 10-5 M solutions of Ag+ and CrO42- ions are mixed in a second. Which substances precipitate given that the Ksp values of CdCO3 and Ag2CrO4..
Determine the structures of the compounds that would give the products
what mass in grams of hydrogen gas is produced if 20 mol of Zn are added to excess hydrochloric acid according to Zn+2HCl yields ZnCl2+H2?
at 1 atm, how much energy (kJ) is required to heat 81.0g of H2O(s) at -22.0 degrees celcius to H2O(g) at 119.0 degrees celcius?
What volume of 0.25 M HCl solutions must be diluted to prepare 1.00 LK of 0.040 M HCl?
The density of the hydrogen peroxide solution is 1.01 g/ml and the solution contains 3.40% H2O2 by mass. The vapor pressure of water at 24 celsius is 22mmHg. Based on this data and information calculate the molar volume at STP.
Calculate the number of moles of O2 required to react with phosphorus to produce 5.50 g of P4O6. (Molecular mass P4O6 = 219.9 g/mol.)
Acrylonitrile is an important building block for synthetic fibers and plastics. Over 2 billion pounds of acrylonitrile are produced in the United States each year.
A buffer is to be prepared by adding solid sodium acetate to 0.10 M CH3COOH. Which of the following concentrations of sodium will produce the most effective buffer
What are the approximate bond angles at the carbon atom of all alcohols except phenols
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