General Chemistry Answers

(10g/L)/(2g/mol)

A commercial bleach solution contains 3.62 mass percent NaOCl in water. calculate molality of the solution.

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    i.       How many kilojoules of heat are absorbed when 0.46 g of chloroethane (C₂H₅Cl, boiling point 12.3˚C) vaporizes at its normal boiling point? The molar heat of vaporization of chloroethane is 26.4 Kj/mol.

Determine the minimum volume of 0.50 mol/L calcium chloride solution required to precipitate 14 g of calcium carbonate when mixed with excess sodium carbonate

Mole of Ar atoms moving at 650 m/s

Stomach acid is approximately 0.137 M HCl. Using your average number of moles of CaCO3 per antacid tablet, what volume of stomach acid will a tablet neutralize?

Container A holds 727 mL

727 mL of an ideal gas at 2.50 atm.

2.50 atm. Container B holds 159 mL

159 mL of a different ideal gas at 4.90 atm.

4.90 atm.

If the gases are allowed to mix together, what is the resulting pressure?\

Which atomic orbital is spherical in shape?

0.125L of 0.05M Ba(OH)2