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Sulfur Trioxide Dissolves in water, producing H2SO4. How much sulfuric acid can be produced from 10.0 mL of water (d=1.00g/mL) and 25.6 g of S03?
Bromine is a reddish-brown liquid. Calculate its den-sity (in g/mL) if 650 g of the substance occupies 188mL.
Calculate the rms (average) speed of PH3 atoms or molecules at 123 oC. Use R = 8.314 kg-m2/K-s2-mol for the value of the gas constant. The average speed of a PH3 atom/molecule at 123 oC is 539 m/s.
A solution is prepared by mixing 66.7 g H2O with 33.3 g HOCH2CH2OH (ethylene glycol). What is the concentration of ethylene glycol in units of molality? The molar masses of water and ethylene glycol are 18.02 g/mol and 62.07 g/mol, respectively
Hydrogen gas has a Henry's law constant of 7.8 x 10 -4 mol/kgxbar at 25 C when dissolving in water. If the total pressure of gas (H2 plus water vapor) is 1.00 bar over water, what is the concentration of H2 in the water in g/mL
How many molecules of H2 are contained in 22.4 liters at 0 degrees Celsius and a pressure of 1.00 x 10^-3 atm
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
what is the molar concentration of phosphate ion in a 2.5 m aqueous solution of phosphoric acid
How many grams of sucrose, C12H22O11, must be dissolved in 750. mL of water to prepare a 0.250 molal solution?
5000 joules of energy are added to 108 grams of silver, Ag, at 20°C. What is the final temperature of the metal? (the specific heat of silver is 0.235)
sample of tap water consists of water, fluoride ions, calcium ions, and several other dissolved ions. The ions are evenly distributed throughout the water. Which term or terms could be used to describe this sample of tap water
Using condensed structural formulas, write a balanced chemical equation for each of the following reactions. hydrogenation of cyclohexene
At a certain temperature and pressure, one liter of CO2 gas weighs 1.95 g. What is the mass of one liter of C2H6 gas at the same temperature and pressure
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