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If a bottle of nail polish remover contains 153 g of acetone, how much heat would be released by its complete combustion?
A gas at 89 degrees celcius occupies a volume of 0.67 L. At what kelvin temperature will the volume increase to 1.12 L. ?
An impure sample of sodium carbonate, (Na2CO3) is allowed to react by dissolving it in an aqueous solution of 0.134 M HCl, according to the following reaction:
Consider the following reaction: 2H2O + 2SO2 2H2 + 3O2 A reaction mixture initially contains 2.8M H2O and 2.6 M SO2.
If 17.9 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia.
If the average speed of an oxygen molecule is 4.05multiplied by 104 cm/s at 25°C, what is the average speed of a CO2 molecule at the same temperature?
At 20 degrees C, the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr. What is the vapor pressure at 20 degrees C of a solution by mixing 27.0 g of methanol and 75.0 g of ethanol?
At 25 degree celcius, the density of a 50 percent by mass ethanol/water solution is 0.914 g per subic centimetre. Given that the partial molar volume of water in the solution is 17.4 cubic centimeter per mol.
At a certian temperature and pressure, chlorine molecules hav an average velocity of 0.0610m/s. What is the average velocity of sulfur dioxide molecules under the same conditions.
Determine at what temperature will a sample of air containing 5.0x10^14 Peroxyacetyl nitrate molecules per liter decomposes at the rate of 1.0x10^12 Peroxyacetyl nitrate molecules per liter per minute.
Aluminum nitrate and ammonium chloride react to form aluminum chloride, nitrogen, and water. what mass of aluminum chloride is present after 74.7 g of aluminum nitrate and 56.8 g ammonium chloride have reacted completely.
Designing and preparing aqueous buffer solution with the pH indicated.
Describe how this observation is consistent with the law of conservation of charge.
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