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A beaker contains 115g of ethanol at 18.2 degrees C. Explain if the ethanol absorbs 1125J of heat without losing heat to the surroundings, explain what will be the final temperature of the ethanol? The specific heat of ethanol is 2.46J/g*degrees C.
You are titrating an unknown acid with a 0.228M NaOH standard solution. It requires 19.1 mL of the NaOH solution to reach the endpoint of the titration.? How many moles of H+ reacted with the OH- from the NaOH in the titration
explain why most multicellular organisms use an iron-containing protein for oxygen binding rather than free iron. your
oxymercuration of an alkene to a ß-hydroxyl-alkyl mercury specie B. addition to bromine to an alkene C. hydroboration of an alkene D. E2 dehydrohalogenation E. opening an epoxide with a nucleophile
how much heat energy is required to change 1.00*10^3 of ice at -30.0c to steam at 150c
calculate the mass of propylene glycol c3h8o2 that must be added to 0.340 kg of water to reduce the vapor pressure by
Calculate the expansion work done when 50 g of water is electrolysed under constant pressure at 25 degree Celsius.
How does SEC distinguish between large and small molecular weights? Be specific here. Also why is SEC ideally suited for polymer analysis
When NEM is added to a solution of creatine kinase, Cys 278 is alkylated, but no other Cys residues in the protein are modified. What can you infer about the role of the Cys 278 residue based on this information
A particular first-order reaction has a rate constant of 1.35x10^2 at 20 degrees C . What is the magnitude of k at 75 degrees C if Ea =85.6Kj/mol?
Complete the following reactions. Draw structural formula for each reaction. In each case state the type of reaction that is occurring.
Strawberries contain about 15 wt% solids and 85 wt% water.To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass.
Derive dependence of initial velocity of the product (P) accumulation for the standard Michaelis-Menten reaction scheme assuming that [E]>> S0.
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