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Balance the reaction between NO2- and S2O32- to form SO32- and N2O in basic solution. When you have balanced the equation using the smallest integers possible, enter the coefficients of the species shown.
_____NO2- +_______ S2O32- ------->_______SO32- + _______N2O
Water appears in the balanced equation as a __________(reactant, product, neither) with a coefficient of_________ . (Enter 0 for neither.)
How many electrons are transferred in this reaction? ___________
Calculate the boiling point of a solution prepared by dissolving 70.0 g of naphthalene, C10H8 (a nonvolatile nonelectrolyte), in 220.0 g of benzene, C6H6. The Kb for benzene = 2.53°C/m. The boiling point of pure benzene is 80.1°C.
What is the mass of sugar in 735g of a 19.85% sugar solution?
A 80.0 mL volume of 0.25 M HBr is titrated with 0.50 M KOH. Calculate the pH after addition of 40.0 mL of KOH.
pH of 20.0 mL of 0.10M acetic acid/sodium acetate buffer before and after the addition of 2.0 mL of 0.10 M NaOH; 2.0 mL 0.10 M HCl
However, when people realized that with the right watering and drainage system this area could become productive farmland, there arose ecological problems. The conversion of the prairie to farmland is the root cause of many ecological problems in ..
for the equilibrium below at 400 k kc7.br2 g cl2 g -gtlt- 2brclgif initially .30 mol of br2 and .30 mol cl2 are
The remainder was oxygen. Calculate the empirical formula of sodium pertechnetate.Determine the simplest mole ratio of O.
Starting with 0.86 moles of HF, calculate the number of moles of H2O that is produced by this balanced reaction.
a certain anesthetic contains 64.9 percent carbon 13.5 percent hydrogen and 21.6 oxygen by mass. determine the
it is given ab2 a 2b- a 0.07 m b- 0.09 m and pk 6.75 standard enthalpies of formation acetic and ab2 - 25.65 kcal
Sketch a titration curve of what the titration of the dry acid vs. sodium hydroxide might look like and explain the diagram.
Ammonia, NH3, is a stronger ligand than Cl- but weaker than CN-. Complete the balanced equations for the reactions that are predicted to occur
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