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Peroxydisulfate ion oxidizes iodide ion to triiodide ion, I3, The reaction is S2O82- (aq) + 3I- (aq) --> 2SO42- (aq) + I3- (aq). How is the rate of reaction that is expressed as the rate of formation of I3- related to the rate of disappearance of I-?
Suppose you have been assigned to evaluate different ways of delivering milk to customers. The more energy you conserve, the cheaper your product can be. Remember that work is directly tied to free energy. Your goal is to minimize wasted free ener..
If the walls in a room are 955 square feet in area, and a gallon of paint covers 15 square yards, how many gallons of paint are needed for the room?
What is the rate of the reaction if [A] is doubled. Starting with the original concentrations, what is the rate of the reaction if [B] is doubled
A gaseous hydrocarbon fuel is burned in 26.84% excess oxygen and the exhaust gas analyzed. On a dry basis, the ratio of carbon dioxide to carbon monoxide to oxygen in the exhaust gas
write ground-state electron configurations for these ions, which play important roles in biochemical processes in our bodies. (Use a noble gas core abbreviation) Na^+, Mg^2+ Cl^- K^+
We have learned that valence bond theory helps us to predict s and p bonding in molecules. All of the following statements about molecular bonding are true, but which statement best summarizes the most basic premise for bonding in a molecule?
A 2.158g vitamin C tablet was analyzed for ascorbic acid content. 1.785g of the tablet was used to make 100mL of solution for titration. A 25.00mL sampled of the solution required 11.85mL of 0.0982 M NaOH for neutralization.
Mathematically determine which acid contributes a larger concentration of H3O+ ions into the solution, be sure to report the H3O+ concentrations for both, label them clearly, and identify which substance creates a larger concentration?
B2H6 + 3O2= B2O3+3H2O ;DELTA H=-2035KJ how much heat is released when a mixture of 7.35 g B2H6 and 2.60 g O2 is burned?
A 12 m 11 m 3.0 m basement had a high radon content. On the day the basement was sealed off from its surroundings so that no exchange of air could take place.
referring to the heating/cooling curve of a pure substance. Identify the line segment on the following diagram where the specific heat of the liquid is used to calculate energy flow
A perfect gas has a constant volume heat capacity of C R V m = 1.5×R, . Calculate q and w for the process where 4.50 mol of this gas is heated with a 12 W heater for 400 seconds at a constant volume.
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