Heat of combustion of paraffin
What mass of water could be heated by burning 1g of paraffin (wax) from 0 degrees celcious to 37 degrees celious when teh heat of combustion of paraffin is 10.0kcal per gram.
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when 92.0 grams of nonionic compound were dissolved in 985 grams of water, the freezing point of the solution was found to be -4.05 degrees celsius. what is the molar mass of this nonionic compound?
A melting point determination of Vanillin, melting point 80 C, was made with a heating apparatus setting at the maximum heating output. What is wrong with this setting and what will be the effect on the melting point?
Which reaction has the greatest increase in entropy
a trapeze artist swings from a rope 4.15 m long in a simple harmonic motion with a period of 4.1 s calculate the value of gravity experienced by the trapeze.
Before spectroscopy was invented, Korner's absolute method was used to determine whether a disubstituted benzene derivative was the ortho, meta, or para isomer.
A 80.0 mL volume of 0.25 M~ rm HBr is titrated with 0.50 M~ rm KOH. Calculate the rm pH after addition of 40.0 mL of rm KOH.
At a pressure of 1.00 atm and a temperature of 20ºC, 1.72 g CO2 will dissolve in 1 L of water. How much CO2 will dissolve if the pressure is raised to 1.35 atm and the temperature stays the same?
What is the molarity of the acetic acid solution if 45.0L of 17M acetic acid is diluted to 1.5L
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