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Balance each of the following equations according to the half-reaction method:
(a) Sn2+(aq) + Cu2+(aq) ? Sn4+(aq) + Cu+(aq)
(b) H2 S(g) + Hg2
2+(aq) ? Hg(l) + S(s) (in acid)
(c) CN-(aq) + ClO2(aq) ? CNO-(aq) + Cl-(aq) (in acid)
(d) Fe2+(aq) + Ce4+(aq) ? Fe3+(aq) + Ce3+(aq)
(e) HBrO(aq) ? Br-(aq) + O2(g) (in acid)
what mass of stomach acid will neturalise an antacid tablet containing 0.1g of magnesium hydrogen carbonate
What are some reasons we want oxide layers and why cant we rely on oxidation in ambient environments for these layers
Water gas (which is is a mixture of H2 and CO) can be made by reacting red hot charcoal (C) with steam (H2O).
Write the mass balance equation and charge balance equation for a solution that is 0.1 M FeCl3 and 0.2 M FeCl2
Why does B2H6 not have the same kind of structure as C2H6. Draw the structure that B2H6 does have and describe the nature of the two sorts of BH bonds therein.
What is the empirical and molecular formula of Acyclovir (MW 225).( C, 42.67%) - ( H, 4.92% )- (N, 31.10%)- (O, 21.31%)...........Weights: C=12.0; H=1.008; N=14.0; O=16.0
A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 6.90kg of water at 34.7 degrees C . During the reaction 57.1kJ of heat flows out of the bath and into the flask.
Depict a representation of the proton NMR spectrum expected for the following structures. Be sure to show clearly the approximate chemical shift expected for each type of proton and the multiplicity of each peak.
Glass tempering can be accomplished by both thermal and chemical means. Each puts the near surface region of the glass piece into compression, thereby suppressing growth of surface cracks.
Which solution has the lower freezing point a) 5 g of ch3oh in 250 g of water or b) 10 g of ch3ch2oh in 500 g water. Explain why
A 28.0-g sample of water at 260. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings
In aqueous solution, the hydrated radius of hemoglobin is found to be 3.55 nm. How many water molecules hydrate a hemoglobin molecule?
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