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One tablespoon of peanut butter has a mass of 15g. It is combusted in a calorimeter whose heat capacity is 130 kJ/degree centigrade. The temperature of the calorimeter rises from 22.3 to 25.3 degree centigrade. Find the food caloric content of peanut butter.
find the corrected flask volume using the following volume of water needed to fill flask996ml capillary tubing
Draw the structures for and name and classify as primary, secondary, or tertiary all the isomeric amines
the half life for the first-order decomposition of sulfuryl chloride at 320ordmc is 8.75 h.so2cl2 g rarr so2 g cl2
If a non-cyclic alkane shows a molecular ion peak at m/z 2.4*10^2, what is the chemical formula
Two hydrocarbons A and B each contain six carbon atoms and one C=C. Compound a can exist as both E and Z isomers but compound B cannot . however, both A and B on catalytic hydrogenation give only 3-methylpentane. draw structures and give suitable ..
Salicylic Acid and Acetic Anhydride --> Acetylsalicylic Acid and Acetic Acid C7H6O3 + C4H6O3 --> C9H8O4 + C2H4O2 Salicylic Acid - 1.75g 1.6 equivalents of acetic anhydride for every equivalent of salicylic acid.
ammonia nh3 with kb 1.8 x 1005 is added to 100 ml of waterat room temperature and the vapor pressure of water above
What is the latent heat of vaporization Tsat in kJ/mol? (Answers are 1366 kW and 28.4 kJ/mol) Please show work for good rating.
calculate co32- in a 0.025 m solution of co2 in water h2co3. if all the co32- in this solution comes from the reaction
A water solution containing 2.00 g of an unknown molecular substance dissolved in 10.00 g of water has a freezing point of 4.0°C. a. Calculate the molality of the solution.
a compound with empirical formula c2h2n dissolved its 0.0800 gram in 10.00 g of c6h6 freezing point of resulting
Many animals depend on trees and bushes for: a)Shelter, b)Pollination, c)Seed Dispersal, d)Sunlight
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