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What is the mass (in g) of one hundred million (100 000 000) molecules of the gaseous pollutant nitrogen dioxide NO2 (molar maass 46.0g/mol)
to obtain the same antifreeze protection requires 76g of propylene glycol to replace each 62g of ethylene glycol. to
A new compund has been analyzed and a .47191g sample has been found to contain .1929g C, .01079 of H., .08566g of oxygen, and .1898g of Cl. Find the empirical formula
How many grams of this acid will be required to titrate 45.0 mL of 0.18 M NaOH solution? H2C2O4 + 2NaOH > 2 Na^+ + C2O4^-2 + 2 H2O
Draw a Newman projection of cyclohexane looking along two C-C bonds that are separated by one carbon
Calculate E°cell and indicate whether the overall reaction shown is spontaneous or nonspontaneous.
Find the molarity of the carbonate in the solution. A solution is prepared by dissolving 11.60g of a mixture of sodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0-cm^3 sample of the solution is then treated with excess HNO3 and boi..
0.100 moles of benzoic acid and 0.100 moles of sodium benzoate are added to 1.000 liter of water. What is the final pH
Stellar nuclear fusion begins with 1H and ends with 56Fe. Younger stars fuse hydrogen to form 4He, while older, more massive stars fuse helium to form heavier elements.
The major industrial method for the preparation of elemental phosphorus is heating a mixture of phosphate rock, carbon, and sand in an electric furnace. The chemical reactions can be represented by
Background: a 5.0 ml sample of a protein is in a solution of 0.5 M NaCl. This solution is placed in dialysis tubing to remove as much NaCl as possible. In theory, the final concentration of NaCl should be the same inside as outside of the dialusis..
How many Cl2O molecules of different masses naturally exist. Give the masses of the three most abundant Cl2O molecules.
a sample of neon is collected at 2.7 atm and 12.0 degrees celcius. if has a volume of 2.25 l. what would be the volume
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