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Compare the amount of energy released by the complete combustion of 1 gallon of ethanol with the amount of energy released by the complete combustion of 1 gallon of octane.
For a substance such as carbon dioxide or water, calculate and graph the phase boundaries in the solid vapor, solid liquid, and liquid vapor regions
What is the pH of a 8.80E-04 M solution of Ca(OH)2. What is the pH of a 5.52E-04 M solution of HCl
How much heat is required to heat 410g of copper from 25degree C to 200degree C?
determine the molar ratio of nabh4 to benzophenone that you actually used in the experiment. why do you think that it
Calculate the intermolecular collision frequency and the mean free path in a sample of helium gas with a volume of 5.0 L at 27 degrees Celsius and 3.0 atm.
Describe the technique you would use to deteremine the density of a 5 gram sample of gasonline or granular sugar at 20 degrees celcius and 1 atmosphere pressure
A catalyst lowers the activation energy of a reaction from 215 kJ to 206 kJ. By what factor would you expect the reaction-rate constant to increase at 25*C? Assume that the frequency factors
How do moles of hydrogen gas are produced for every mole of solid magnesium reacted
You need to dissolve CaCl2 in water to make a mixture that is 41.0% calcium chloride by mass. If the total mass of the mixture is 363.9g what masses of CaCl2 and water should be used
An automobile tire is inflated with air originally at 10.0 celsius and normal atmospheric pressure. During the process, the air is compressed to 30.5% of its original volume and the temperature is increased to 45.5 celsius. (a) What is the tire pr..
question consider a solution that is 0.022m in fe2 and0.014 m in mg 2.a. if potassium carbonate is used to selectively
This problem describes a gravimetric titration in which the mass of titrant is measured instead of the volume. A solution of NaOH was standardized by titration of a known quantity of the primary standard potassium hydrogen phthalate (KHP) which ha..
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