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suppose you want to move a rock. it has a volume of 1.2m^3 aout waist high and 4 feet long. and a density of 2.5g/cm^3. how many pounds doesx it weight?
The heat of fusion, ?Hfus, of ethanol (C2H5OH) is 4.9 kJ/mol. The heat of sublimation of ethanol, for the process C2H5OH(s) ? C2H5OH(g) , is 43.5 kJ/mol. What is the heat of vaporization of ethanol?
How many grams of phthalic acid o-C6H4(COOH)2 would be neutralized in 16.2 ml of a 0.100N NaOH solution?
Determine the number of moles of O2 produced by the decomposition of 213 g of NaClO3.
Suppose you were asked to prepare 20.0 Litres (about 5 gallons) of 0.100 M H2SO4 solution for all the chem 1411 labs doing this experiment.
What is the half-life of a second-order reaction in which 45.0% of the original concentration of 1.00 M remains after 325 seconds?
Propose a reaction sequence for the conversion of benzoic acid into phenylacetic acid. No need for mechanisms
A solution is made by mixing 42.0 mL of ethanol, C2H6O, and 58.0 mL of water. Assuming ideal behavior, what is the vapor pressure
If the titration required 23.95 mL of 0.2556 M HCl to reach the endpoint, calculate the equilibrium molar concentration of B4O5(OH)4 2- in the saturated solution.
When a 5.8 g serving of cereal burns in the same bomb calorimeter, the temperatrue of the calorimeter increases by 1.92 C. Calculate the fuel value of the cereal in kj/g.
Why will white phosphorus spontaneously flare up on air and red phosphorus won't? Please explain the connection with chemical structures
What is the boiling point elevation and boiling point of a solution that contains 1.20 moles of non-ionic solute in 800.0 g of H2O?
The few gas analysis shows as carbon dioxide 14%, carbon monoxide 0.4%, oxygen 5.6% and nitrogen 80%. The air used has a dew point of 50°F. The barometer shows 29.9 inches of mercury. Calculate the dew point of the stack gas.
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