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Clearly illustrate, using curved arrows, each step of mechanism of the following:
i. reaction of an acetylide anion with bromomethane.
ii. reaction of 2-methylpropene with HBr (ionic mechanism).
iii. reaction of chloroethane with sodium ethoxide (elimination reaction).
The temperature of the calorimeter increases from 19.7C to 20.6C. If under constant volme conditions the heat of combustion of glucose is -2805 kj/mol, calculate the total heat capacity of calorimeter.
Energy cost of dissociation was found to be 4 kWh/m3 of CO2. Calculate conversion degree of CO2 into CO and O2 in this system.
what is the freezing point of a solution made by dissolving 352 g of ethylene glycol c2h6o2 in 648 g of water? the
Calculate the boiling point of this water-ethylene glycol mixture. (The density of ethylene glycol is 1.11 g/mL.)
Draw all the structural isomers for the molecular formula C4H9Br. Be careful not to draw any structures by crossing one line over another; the system needs to know where you intend connections to be between atoms. I came up with 4 different struct..
5.0mL of 12 M NH3 is added to 500mL of 0.050 M AgNO3. Explain what concentration of silver ion will exist after equilibrium is established. [Kf for Ag(NH3)2+ is 1.5 * 10^7]
Why are active on-duty firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters who inhale the same concentration of the same substance?
What would the net ATP yield if a muscle cell takes a glucose molecule, stores it as part of a glycogen molecule and later releases it and sends it through glcolysis.
An aqueous solution of unoxygenated hemoglobin containing 5 g of protein (M= 64000 g/mol) in the 100cm3 of solution is placed in an insulated vessel.
Problem- Predict the products and show the reaction mechanism for the acid catalyzed Fischer esterification reaction between ethanol and acetic acid (CH3CO2H).
A first order reaction has a half life of 26.4 sec. How long will it take for the concentration of the reactant to fall to 1/8 of its original value
Compute the density of a solid substance if a cube measuring 2.01 cm on one side has a mass of 128 g. Compute the mass of a cube of the same substance measuring 8.31 cm on one side.
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