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While hydrogen sulfide gas is bubbled into a solution of sodium hydroxide the reaction forms sodium sulfide and water.
Explain how many grams of sodium sulfide are formed if 1.20g of hydrogen sulfide is bubbled into a solution containing 1.60g of sodium hydroxide presuming that the sodium sulfide is made in 94.0% yield?
An aqueous antifreeze solution is 40.0% ethylene glycol, C_2H_6O_2, by mass. The density of the solution is 1.05 g/ml. Calculate the molality of the ethylene glycol.
Calcium nitrate are mixed with 15.0 mL of 0.300 M potassium hydroxide, how many moles of calcium hydroxide will be expected to be made?
Considering the given equation Fe2O3 (s) + 3 CO (g) ? 2 Fe (s) + 3 CO2 (g) this is The overall reaction for the production of iron from iron ore (Iron (III) oxide) determine How many kilograms of iron are required to form 10,000 kilograms of Fe?
The vapor pressure of water is 0.196 atm at 60 C. What is the equilibrium constant for the transformation H2O (l)--><--H2O (g)
What is the pH of a 0.1 M solution of ethylamine, given that the pKa of ethylammonium ion
How many moles of an ideal gas would occupy a 25.0 liter container when the temperature is 22.0° C and the pressure is 646 torr?
Compute the percent KHP (204.23 g/mol) in an unknown sample if 27.93mL of 0.1510 M NaOH were necessary to reach a phenolphthalein endpoint using a 2.3423 gram sample of unknown
Four balloons, each with a mass of 10.0 g, are inflated to a volume of 20.0L, each with a different gas: helium, neon, carbon monoxide or nitrogen monoxide. If the density of air at 25 degrees C and 1.00 atm is 0.00117 g/mL, will any of the baloon..
when a pure sample of tert-butyl bromide is analyzed by gas chromatography two components are usually observed. one of
a bottle of phosphoric acid is labeled 85 h3po4 by mass density 1.689 gcm3. calculate the molality h3po4 in the
determine the freezing point of a solution of 60.0g of glucose,C6H12O6,dissolved in 80.0g of water.
When a sample of 5.00-g rams of Potassium thiocyanate is dissolved in H2O in a calorimeter that has a total heat capacity =6.225 kJ•K-1, the temperature decreases by 0.200 Kelvin. compute the molar heat of solution of Potassium thiocyanate.
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