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The oxidation of ethanol CH3-H2C-OH produces acetaldehyde CH3-HC=O. This reaction catalyzed by enzymes takes place in the body after alcohol consumption. The accumulation of acetaldehyde combined with dehydration leads to what is commonly known as a hang-over. Calculate the ?Hreaction of the reverse reaction the reduction of acetaldehyde back to ethanol. CH3-HC=O(g) + H2(g) --> CH3-CH2-OH(g) Bond Bond enthalpy (kJ/mol) C=O 745 C-O 351 H-H 436 O-H 460 C-H 414 The ?Hreaction is 1.----- kJ/mol.
Conjugate Pairs of Acids and Bases, What is the base if the acid is H2PO4- and the equation of the pair?
Is the dissociation of NaCl reversible. When you dissolve it in water does it dissociate and associate back together
Calculate the molar solubility of CaCO3 ( Ksp = 4.5*10-9) neglecting the acid-base character
with a density of 3.00 g/mL is mixed with a 50.0 mL sample of a pure liquid, liquid B with a density of 2.00 g/mL. What is the total volume of the mixture
Write the balanced net ionic equation for the reaction that occur in the following case. Ba(NO3)2 (aq) + K2SO4(q) Express your answer as a balanced net ionic equation.
mos2s 72 o2g moo3s 2 so2g moo3s 3 h2g mos 3 h2os calculate the volumes of air and hydrogen gas at 23degc and 1.00
Cobalt-60 exhibits first order decay and has a half-life of 5.26 years. If it must be replaced in a radiotherapy unit when its radioactivity decreases to 75% of its original value, how long can a 1.00 g sample be employed?
A sample of 40.0 ml of a .1 M acetic acid solution is titrated with .150 molar sodium hydroxide Ka for acetic acid is 1.8 x 10^-5. What is pH of solution at equivalence point
would bromine be a more or less effective disinfectant and bleaching agent than chlorine
solid nacl is added slowly to a solution containing 0.10 m agno3 and 0.20 m pbno32. ksp for agcl is 1.8x10-10. ksp for
you heat a 454 gram aluminum pot to cook some mac amp cheese. if the temperaure changes from 22.0oc to 275oc and the
Indicate the approximate location (cm-1) in the IR Spectrum where you would expect to see one or two absorptions that distinguish n-butyl, sec-butyl, and isobutyl from each other.
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