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Describe with the aid of a diagram a possible transition state for the single step reaction between ch3br and oh^-1 to give methyl alcohol, ch3oh, and br-1
Calculate the equilibrium concentrations if the initial concentrations are 2.30 M N2 and 0.51 M O2 . (This N2/O2 concentration ratio is the ratio found in air.)
Calculate the volume of glacial acetic acid (17.6M) and eight of sodium acetate (mm=82.03) that is required to make 102 mL of 0.2M buffer at ph 4.85. The Ka of acetic acid is 1.4*10^-5.
Borazine B3 N3H6 is isoelectonic with benzene. Explain qualitatively the bonding in this molecule in resonance as well as molecular orbital theory.
How could you seperate acetaminophen from sucrose, and aspirin. Also generate a flow chart for the separation acetaminophen from sucrose and aspirin
The standard enthalpy of formation for ammonia NH3 is -46.2kj/mol. How much heat is released/absorbed when 1 mole of N2 is reacted with three moles of H2 to produce ammonia
The gas in a piston (defined as the system) is warmed and absorbs 670 J of heat. The expansion performs 347 J of work on the surroundings. What is the Change in internal energy for the system?
you accidentally mixed up 3 beakers of solutions. one iswater one is pure ethanol one is pure hcl.how would you not
Write reaction equations to explain how your acetic acid/sodium acetate buffer reacts with an acid and reacts with a base.
Explain what quantity of heat energy, in joules, must be released by mercury if 1.80 mL of mercury is cooled from 23.0°C to -38.8°C also then frozen to a solid? The density of liquid mercury is 13.6 g/cm3 and its specific heat capacity is 0.140 J/..
Which flask has the molecules with the greatest average speed (velocity) a,b,c, they're all the same or non
A galvanic cell is prepared by immersing a strip of nickel metal into an aqueous 1M NiSO4 and a strip of silver metal into aqueous 0.100M AgNO3. The two solutions are separated by a porous barrier.
recognize two important classes of catalysts. examine the chemical reactions which take place when the biological
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