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A 32.6 iron rod, initially at 22.3, is submerged into an unknown mass of water at 63.3, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.1. What is the mass of the water?
Calculate the volume of CO2 produced at 37 degrees celsius and a 1.00 bar when 1.00 gram of glucose is metabolized.
8.0 mL of 10.0 ppm fe 2+ solution is diluted to 100.o ml. What is the concentration (in ppm) of the resulting solution?
Determine the empirical formula for a substance with the following composition
Starting with the supernatant collected after the initial crystallization, suggest a procedure to isolate and purify the R-(+)-phenylethylamine enantiomer.
the action of an alkaline i2 solution on the rodenticide warfarin c19h16o4 308.34 gmol results in the formation of 1
Calculate the concentrations of each of the ions in 0.12 M (NH4)2HPO4. a) [NH4+], M b) [HPO42-], M
determine the volume of 0.1 m naoh that is required to react with all the acetic acid in a solution containing 25.0 ml
Calculate the theoretical amount of 2.5 M NaOH (10%) solution needed to convert the benzoic acid to its water-soluble salt. Is the combined volume of NaOH used in the extractions sufficient for complete deprotonation of benzoic acid
How many grams of formic acid, HCOOH, must be added to 0.210 L of 0.160 M sodium formate, HCOONa, to yield a buffer solution with a pH of 4.10? Assume no volume change. Ka of HCOOH = 5.0 10-4.
If the partition coefficients for the DCM/water and DCM/bicarbonate systems were different, what was the reason
Hydrogen sulfide , H2S , has the characteristics odor of rotten eggs. If a sample of H2s GAS AT 759.0 TORR AND 29.0 C IN A 3.00 -L container is allowed to expain into an 11.0-l container at 29.0 c, what is the pressure in the 11.0-l container
Draw the amine from the following: A Hofmann degradation of a primary amine forms an alkene that gives butanal
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