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A 1.080 g sample of a new organic substance is combusted in the same calorimeter. The temperature of the calorimeter increases from 22.14°C to 26.82°C. What is the heat of combustion per gram of the new substance?
Calcium in blood or urine can be determined by precipitation as calcium oxalate CaC2O4. The precipitate is dissolved in strong acid and titrated with potassium permanganate. The products of the reaction are carbon dioxide and Manganese ii ions.
The ksp for Al(OH)3 is 1.9*10^-33. what is the pH of a sauturated solution of Al(OH)3. ignore any hydrolysis
If 110mg of fluorine-18, which has a half-life of 110min, is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m.?
Calculate the change in chemical potential of the 12g of carbon dioxide after being completely released from the cartridge at room temperature.
The volume of isoamyl alcohol reactant is 20.0 mL and the density of isoamyl alcohol is 0.809 g/mL. I need to find the mass and moles of isoamyl alcohol.
Show two different ways to make methyl propionate, using methanol, propionic acid and other necessary reagents The methanol and propionic acid do not have to both be used in the first step.
Design a series of reactions to convert ethanol to 2-butanol. You can use other inorganic reagents you need
What is the concentration, in ppm (m/m) , of a sodium chloride solution prepared by adding 37.5 micrograms of sodium chloride to 21.0Kg of water
Using different methods, like equations of state SRK and PR what would be the nessceary steps to be able to determine a value from a given Pressure and Temperature using with:
Which statement is true concerning the reaction... N(g) + N(g) = N2(g) + energy?
How many grams of KCl are contained in 750.0 mL of a 0.250 Molarity solution
RbNO3 Express your answers as ions separated by a comma. If the compound is not soluble, enter noreaction
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