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What are q and w (in kJ) for the reaction of 25.0 g of Na(s) and 53.0 g of Cl2(g) to produce NaCl(s) at 1 atm and 298K?q = ________ kJ w = ________ kJThe heat of combustion of liquid toluene (C7H8) is -3910.3 kJ/mol at 1 atm and 298 K.a) What is the energy of combustion at 1 atm and 298 K?Ecomb = _______ kJ/molb) What is the heat of formation of toluene?Hf = ________ kJ/mol
create a data table to record your data from the procedure. be sure that the data table is neat and organized and that
What is the fractional conversion of ethane. What is the production rate of ethanol
an fm station broadcasts at 106.9 mhz calculate the wavelength of the corresponding radio waves? what is the amount of
How much heat energy, in kilojoules, is required to convert 74.0 g of ice at -18.0 C to water at 25.0 C ?
The volumes(45.01,45.05,45.07, and 45.33)ml were used to titrate a 50ml aliquot of a sample. would you reject any values at a 90% confidence interval. how about a 95% confidence interval
Calculate the expected pH of a 50 mL solution o 0.150 M acetic acid that is being titrated with a 0.2 M solution of NaOH at any point in the region II of the titration.
Assume the density of all the solutions is 1.0 g/mL, the specific heat of the aqueous solutions and mixture is the same as water, and the volumes are additive. What is the heat of reaction in kJ
if 164 of wet h2 is collected over water at 24c and a barometric pressure of 739 how many grams of zn have been
An 1.07 mol sample of carbon dioxide gas at a temperature of 8.00 oC is found to occupy a volume of 22.7 liters. The pressure of this gas sample is
Why should a distilling flask be filled to not more than two-thirds of its capacity at the beginning of a distillation procedure?
Calculate the frequency of the light emitted when an electron in a hydrogen atom makes each of the following transitions.
Explain how much volume of 63 percent w/w aq. HNO3 solution (d=1.5g/ml) is diluted with sufficient water to prepare 1L of 3M HNO3 solution
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