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Ferrophosphorus reacts with pryite producing iron(II) sulfide and a compound that is 27.82% P and 72.13% S by mass and has a molar mass of 444.56 g/mol. a) determine the empirical and molecular formulas of this compound. b) Write a balanced chemical equation for this reaction. Do not include phases.
Calculate the mass of nitrogen dissolved at room temperature in an 96.0 home aquarium. Assume a total pressure of 1.0 and a mole fraction for nitrogen of 0.78.
Calcium carbonate CaCO3 reacts with stomach acid HCL according to the following equation: CaCO3 + HCl --- CaCl2 + H2O + CO2. Tums, antacid, contains CaCO3. If tums is added to 20.0 mL of 4.00M HCl, How many grams of CO2 gas are produced.
If 30.0 L of oxygen gas is cooled from 473 K to 274 K at constant pressure, what is the new volume of oxygen
Using the volumes of sodium EDTA solution you just entered and the corresponding calcium carbonate masses entered earlier, calculate the molarity of the sodium EDTA solution for each trial.
What two aqueous reactants might you combine to give a barium sulfate precipitate? Write the molecular equation for the reaction that would result.
A small immersion heater is used to heat 475 mL of water from 75 degrees Fahrenheit to 195 degrees fahrenheit in 5.00 minutes.
Determine the heat that must be extracted to cool the gas from 375 C to 275 C at (a) Constant Pressure and (b) constant volume.
A 0.464 g sample of a compound containing the elements carbon, hydrogen, oxygen, and sulphur was burned completely, yielding 0.969 g CO2 and 0.198 g H2O. In a separate experiment, all the sulphur in another 0.464 g sample was converted to 0.859 g ..
Based on the half-reactions and their respective standard reduction potentials below, which addition to an aqueous solution containing Fe(NO3)2 will result in a reaction under standard-state conditions?
An industrial freezer is maintained at -26 oC with a vapor compression refrigeration unit using R-134a (HFC-134a) as the working fluid. A throttle is used in the refrigeration cycle and the compressor is 80% efficient.
A compound is constituted by mass of 52.1% carbon and 13.1% hydrogen, the rest being oxygen. Given that a volume of 5.33 L of this gas has a mass of 11.5 g at 13 °C and 110 kPa, find the molecular formula for this compound.
Carbon Monoxide is a toxic pollutant found in our city air. On a particular day, the air contains 6.50mg of CO per 1.000X cubic meter of air. How many grams of CO are present in a room whose dimensions are 15.0 meters X 11.0 meters X 16.5 meters?
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