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How many moles of sodium ions are contained in a 100.4 g sample of sodium sulfate, Na2SO4? Round to one decimal place.
starting with toluene as the only organic starting material and utilizing an organocopper coupling method
Starting from the ideal gas equation, show how you can calculate the molar mass of a gas from knowledge of its density.
arrange the following alkenes in order of increasing heat of hydrogenation (That is, heat released when the compound is hydrogenated). 1 = lowest heat,...................5=highest heat
Gibbs Free Energy and Equilibrium The reaction SO2(g)+2H2S(g)?3S(s)+2H2O(g) is the basis of a suggested method for removal of SO2 from power-plant stack gases
A sample of Chlorine gas occupies a colume of 711 mL at pressure of 251 mmHg. Calculate the pressure of the gas (in mmHg) if the volume is reduced at constant temperature to 173 mL in scientific notation
Heptane (C7H16) and octane (C8H18) are constituents of gasoline. At 80.0 ?C, the vapor pressure of heptane is 428 mmHg and the vapor pressure of octane is 175 mmHg.
Chemistry: Reaction between Sodium Bicarbonate and Citric Acid, Question: The fizz produced when an Alka Seltzer© tablet is dissolved in water is due to the reaction between sodium bicarbonate and citric acid, according to the following equation:
Assuming the density of the solution is 1.00 grams/mL, what is the molar mass of the enzyme?
The solubility of I2 (s) in .100 M KI solution at 25 degrees celcius is .05135 moles per liter. The .1 M NaN03 provides the same ionic environment as .1 M KI. From this information calculate the concentration of I3-, I-, I2 in the latter solution ..
2.00 L of H2 at a pressure of 368 torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 336 torr after the stopcock is opened.
S8 also known as orthorhombic sulfur, what type of chemical bonds does S8 have? what type of crystal is this?
the same retention but different selectivity as what precentage of mixtures for acetonitrile/water and tetrahydrofuran/water?
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