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A compound containing only carbon, hydrogen, and oxygen is subjected to elemental analysis. Upon complete combustion, a 0.9294-g sample of the compound produced 1.362 g of CO2 and 0.5576 g of H2O. What is the empirical formula of the compound?
A 1.90 mole quantity of NOCl was initially in a 1.50 L reaction chamber at 400°C. After equilibrium was established, it was found that 36.0 percent of the NOCl had dissociated.
In photography, solutions of sodium thiosulfate are used to dissolve unexposed AgBr (Ksp = 5.0 × 10-13) in the developing process for black-and-white film. What mass of AgBr can dissolve in 1.00 L of 0.238 M Na2S2O3.
A 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid's temperature from 50 ?C to 70 ?C .What is the speci?c heat capacity of this liquid.
Determine the concentration of H+ ions in a solution of HCl that was prepared b diluting 50.0 mL of concentrated (11.6 M) Hydrochloric acid to a final volume of 500mL?
A balloon has a volume of 10,500 liters, and the temperature is 15C. If the temperature were -25C, what would the volume of the balloon be.
which hydroxide precipitates first as NaOh is slowly added to the solution? b) what is the molar concentration of the first cation precipitated when the other cation just starts to precipitate out of solution?
calculate the pH formed by mixing 100 mL of 0.20 M HCL with 50 mL of 0.30 M NaOH.
What is the molality of a solution that is composed of 265 g of acetone ((CH3)2CO) dissolved in 177 g of water.
Determine the freezing point and calculate the final temperature if initially this iron nail was at temperature of 28 degree Celsius?
Determine how many grams of carbon dioxide will be present in the equilibrium mixture? Considering the given equations CO(g) + H 2 O(g) CO 2 (g) + H 2 (g) if it is given =K c = 23.2
What mass of magnesium chloride is needed to react with 145 g of silber nitrate accourding to the following reaction: MgCl2(aq)+2AgNO3(aq) -> Mg(NO3)2(aq) + 2AgCl
Solve Virial equation (the virial equation expanded in 1/ Vm )are expansions in p and 1/Vm,respectively
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