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Balance each of the subsequent oxidation-reduction reactions. For each of the reaction, demonstrate how electrons are gained and lost during the reaction.
i) Mg(s) + O2 (g) ----> MgO(s)
ii) Na(s) + S(s) ----> Na2 S(s)
iii) Al(s) + Sn(NO3)2 (aq) -----> Al(NO3)3 + Sn(s)
iv) Li(s) + Cl2 (g) ----> LiCl(s)
a 4.50-g sample of licl at 25.0 c dissolves in 25.0 ml of water also at 25 c. the final equilibrium temperature of the
Compute the difference in the ionization energies for the 1H 2H atoms(The ionization energy is the energy of the transition from the n=1 to the n=infinity energy levels for the hydrogen atom. )?
Calculate H0rxn for the decomposition of tetrazene, N4H4 (atom sequence H2NNNNH2) to hydrazine (N2H4) gas and dinitrogen gas.
A solution of vinegar has a 0.81M the manufacturer claims that the vinegar has 5% acetic acid by weight. the denisty is 1g/ml is the manufacturer correct
vaillin used to flavor vanilla ice cream and other foods is the substance whose aroma the human nose detects in the
Calculate the mass of sodium chloride that will result from the addition of 25.0g of sodium hydroxide to 0.140L of 4.00M hydrochloric acid
the following compound hcn has aone sigma and three pi bonds btwo sigma and two pi bonds cone sigma and one pi bond
A ten L Dewar containing liquid nitrogen tips over in your car while you are transporting it. If it completely vaporizes what volume of Nitrogen gas will be produced at 1 atm and 20 degrees C
Why doesnt the formation of the grignard reagent start immediately upon the addition of 1-bromobutane to the magnesium turnings
The names and chemical formulae of some chemical compounds are written in the first two columns of the table below. Each compound is soluble in water.
A 46.2mg sample of phosphorus reacts with selenium to form 135mg of the compound. What is the empirical formula of the phosphorus selenide
what is the emf measured at a platinum electrode relative to the standard h2 electrode in the solution that results
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