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The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane and calculate the mass (in ) of carbon dioxide that is added to the atmosphere per 1.7 of octane burned. (: Begin by writing a balanced equation for the combustion reaction.)
Calculate the pH of a solution conposed of 0.0831M ammonia (NH3) and 0.113M ammonium chloride (NH4Cl).
The liberated hydrogen occupied a volume of 320ml when collected over water at 25 degrees celcius and the pressure of the gas was equalized to the atmospheric pressure of 750mm as in this lab. Calculate the equivalent weight of the metal, M.
Sodium bicarbonate reacts with citric acid as shown below: What is the theoretical yield of sodium citrate (Na3C6H5O7) when 3.1 g of sodium bicarbonate reacts with 4.4 g of citric acid
considering the given equation cah2s 2h2ol caoh2aq 2h2g determine how many grams of cah2 are required to generate 145
A weather balloon is inflated to a volume of 26.1 L at a pressure of 755 mmHg and a temperature of 23.0. C The balloon rises in the atmosphere to an altitude, where the pressure is 375 mmHg and the temperature is -16.9. C assuming that that balloo..
A chemical process is designed to produce ethylene from ethane according to the reaction: C2H6 (ethane) ? C2H4 (ethylene) + H2 The fresh feed to the process contains pure ethane at a flowrate of 100 mole/min. The fresh feed is mixed with a recycl..
A 2.30-g sample of a large biomolecule was dissolved in 16.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
A quantity of n2 occupies a volume of 1.0L at 310K and 1.4 atm. The gas expands to a volume of 3.3L as the result of a change in both temperature and pressure. Find the density of the gas at these new conditions.
The recovered CuSO4•5H2O was then heated for 20 minutes at 120°C. The mass of the new hydrate was 2.17g. (The molar mass of H2O = 18.015 g/mol, and the molar mass of CuSO4= 159.61g/mol) Calculate the mass of CuSO4 in the new hydrate (CuSO4•XH2O).
A student mixed 50.0 mL of 0.50 M H2SO4 (aq) at 18.5 degrees C with 100 mL of 0.50 M NaOH (aq) at the same temperature. After the reaction was completed, the temperature rose to 22.0 degrees C. What was the heat of reaction? (Assuming the densitie..
how many moles of co2 when 15.5 ml of a 3.00 m hci reacts with excess caco3?the calcium carbonate in limestone reacts
A bottle containing 1 kg of water (18.01g/mol) is boiled until evaporation is complete. Find w, q, U, H for the process. Hvap = 40.6kJ/mol. My question is when we find the w what temperature we use (room temperature or 100 C)
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