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Question- A 100.0 mL sample of 0.600 M NaOH is mixed with a 100.0 mL sample of 0.600 M HCl in a coffee cup calorimeter. If both solutions were initially at 35.0°C and the temperature of the resulting solution was recorded as 39.0°C, determine the °rxn (in units of kJ/mol NaOH) for the neutralization reaction between aqueous NaOH and HCl. Assume that all of the heat that goes into the water is from the reaction and that no heat is lost to the calorimeter or the surroundings. Also assume that the density and the heat capacity of the resulting solution are the same as water, 1.00 g/mL and 4.18 J/g-oC.
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Question- A sample of octane in equilibrium with its vapor in a closed 1.0 L container has a vapor pressure of 50 torr at 45ºC. The container's volume is increased to 2.0 L at constant temperature and equilibrium is re-established. What is the va..
Treatment of 1.385 g of an unknown metal M with an excess of aqueous HCl evolved a gas that was found to have a volume of 382.6 mL at 20.0 degrees C and 755 mmHg pressure
Which of the following statements best describes the charges on amino acids at neutral pH. Each amino acid contains a positively charged amine and a negatively charged carboxylic acid at neutral pH.
question calculate the massvolume percent of a nacl solution in which 127g of nacl is dissolved in enough water to give
A 1.245 gram sample of a compound containing barium and oxygen was dissolved in hydrochloric acid to give a solution of barium ion, which was then completely precipitated out with an excess potassium chromate to give 2.012 grams of barium chromate..
The reason your classmate cannot determine the compound in a chemical reference manual is that 2, 4-diethyl-4-ethoxyhexane is the incorrect name for the compound. Explain what is the correct name
which one of the following would furnish the highest yield of a methyl ether on reaction with naoch3 under conditions of williamson synthesis?
Draw the structure of the isomer of C4H9Cl that is least reactive in an SN2 reaction. Do not consider stereochemistry.
How many isomers of dimethylcyclohexanediol could you get from complete hydroboration-oxidation of 1,4-dimethyl-1,4-cyclohexadiene? Draw them all.
2Al(s) + 6HCl(aq) 2AlCl3(aq) + 3H2(g) According to the equation above, how many grams of aluminum are needed to completely react with 3.93 mol of hydrochloric acid
A gaseous compound containing hydrogen and carbon is decomposed and found to contain 82.66% carbon and 17.34% hydrogen by mass. The mass of 158 of the gas, measured at 556 and 25 , is found to be 0.275.
Question- "When there is too much of the amino acid, isoleucine, it gets catabolized. Draw out the detailed reaction pathway of isoleucine catabolism from isoleucine to acetyl-CoA and propionyl-CoA.
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