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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-?
at 125degc kp 0.25 for the following reaction.2 nahco3s na2co3s co2g h2oga 1.00 l flask containing 14.8 g nahco3 is
105 grams of iron fe is heated in test tube until it is 100 degrees c. then the iron is poured into a calorimeter
chemistry mixture of gases contains 0.200moleO2 o.4oomole N2 and 0.600mle H2 at 2.00 atm pressure what is the partial pressure of N2 in the mixture.
a 25 mL sample of .150 M hypochlorous acid is titrated with a .15 M NaOH solution. What is the pH after 26 mL of base is added? The Ka of hypochlorous acid is 3.0x10^8
How many mL of 0.380 M solution can be prepared by dissolving 4.00g of Ca(OH)2 in water?
Calculate the value of E cell for the following reaction 2Fe2+(aq) + Cd2+(aq) ? 2Fe3+(aq) + Cd(s)
What is the molarity of a solution of 14.0 g NH4Br in enough H20 to make 150 ML of solution.
What are three things that can happen when an electron beam interacts with a sample. What type of information can result from these interactions
When a sample of H2S(g) (9.811 mol) is placed in 180.0 L reaction vessel at 724.0 K and allowed to come to equilibrium the mixture contains 0.01627 mol/L of S2(g). What is the equilibrium concentration (mol/L) of H2S(g)? 2H2S(g) = S2(g)+2H2(g)
in the electrolysis of aqueous solution of Na2SO4, what reactions occur at the anode and the cathode. explain
What are three different ways atmospheric [CO2] can be determined? Under what circumstances would you chose to utilize
An important industrial for synthesizing the ammonia used in agricultural fertilizers involves the combination of N2 and H2 N2 (g) + 3H2 (g) 2NH3 (g) (Kc =4.29 *10^8 at 52 degrees C)
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