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How many pounds of CO2 are produced from the complete combustion of 1.00 gal of gasoline? Assume that gasoline has the formula C8H18 and has a density of 0.703g/mL.
In another experiment it was determined that for each mole of hydrocarbon, 7 moles of oxygen gas are consumed and 5 moles of CO2 gas and 3 moles of H2O liquid are produced. Find ?H per mole of this hydrocarbon (in kJ) at 298 K
What mass of sucrose should be combined with 453 of water to make a solution with an osmotic pressure of 8.00 at 320 ? (Assume the density of the solution to be equal to the density of the solvent.)
How many calories of heat are necessary to raise the temperature of 350 ml of water from 1.00oC to 5.00oC.
A 585 g piece of copper tubing is heated to 97.2°C and placed in an insulated vessel containing 51.0 g of water at 26.0°C.
1.500 g of Mg(s) was combined with 125.0 mL of 1.0 M HCl. The initial temperature was 25.0oC and the final temperature was 72.3oC.
If 275 g of liquid water at 100.°C and 475 g of water at 30.0°C are mixed in an insulated container, what is the final temperature?
The complex ion [Co(CN)3]^3- absorbs a photon of wavelength 2.90×10^2 nm. What is the splitting energy of this complex in kJ/mol?
A dead alkaline battery is found to contain a compound of Mn and O. Its analysis gives 69.9% Mn and 30.4% O. What is the empirical formula for the substance.
Compute the partial pressure of N2 at the surface of theH 2 O in mmHg. The Henry's law constant for nitrogen gas =1.3x 10^-3 mol/L x atm? at 25 degrees Celsius
Which of the following has the smallest mass? a. 3.50 x 1023 molecules of I2
Consider 1.5 kg of austenite containing 1.15 wt% C, cooled to below 727 degrees Celcius (1341 degrees Farenheit).
if the initial water level in the graduated cylinder is 21.2 ml and the level rises to 27.7 ml after the object is placed in the cylinder, what is the volume of the object?
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