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If a gaseous mixture is made by combining 3.01 g of Ar and 1.27 g of Kr in an evacuated 2.50 L container at 25.0 °C, what are the partial pressures of each gas and what is the total pressure exerted by the gaseous mixture?
aluminum has a specific heat of 0.900 jgmiddotdegc. how much energy is required to raise the temperature of 160. g of
Ammonia (NH3) is widely used as a fertilizer and in many household cleaners. How much ammonia is produced when 6.32 mol of hydrogen gas react with an excess of nitrogen gas?Answer in units of mol
Problem- A solution is made by mixing 36.0 mL of ethanol, C2H6O, and 64.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C
What advantages and disadvantages exist for both organic and inorganic solar cells? Describe the main barriers or technical difficulties associated with each.
Draw a glycerophospholipid made up of the components glycerol, phosphoric acid, choline, linoleic acid, and linolenic acid.
What mass of sodium chloride, NaCl, is needed to make 389. g of a 3.89%(m/m) NaCl solution? (atomic masses: Na = 22.99, Cl = 35.45)
A sample of 0.0020 mole of HCl is dissolved in water to make a2000-mL solution. Calculate the molarity of the HCl solution,the [H3O+], and the pH.
A pair of enantiomers is named below. For each stereoisomer, draw the structure. Be sure to specify the stereochemistry via wedge-and-dash bonds.
Consider H2, D2, and H2O, treated as ideal gases as pressures of 1 atm and temperatures of 293.2 K.
Does 1,3-cyclohexanediol contain any stereocenters. If so, mark them then determine how many different stereoisomers exist. Draw Fischer projections for all unique stereoisomers and identify the sets of enantiomers and diastereomers.
what will be the pressure of the gasesous water in a 4.25 L flask at 30.0 degrees celcius.
The specific heat of zinc is 0.096 cal/(g °C). Determine the energy required to raise the temperature of 29.2 g of zinc from room temperature (20.0 °C) to 150 °C.
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