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The peroxysulfate ion reacts with the iodine ion in aqueous solution according to the following equation: S2O8 2- (aq) + 3I-(aq) --> 2SO4 2- (aq) + I3 - (aq) The following data are obtained at a certain temperature: Experiment [S2O8 2-] [I-] Initial Rate (mol/L * min) 1 0.0200 0.0155 1.15 x 10ˆ-4 2 0.0250 0.0200 1.85x10ˆ-4 3 0.0300 0.0200 2.22x10ˆ-4 4 0.0300 0.0275 3.06x10ˆ-4 A) What is the order of the reaction with respect to [S2O8 2-], [I-], and overall? B) Write the rate expression for the reaction C) Calculate k for the reaction D) When [S2O8 2-] = 0.105 M and [I-] = 0.0875 M, what is the rate of the reaction at the temperature of the experiment?
A 20-g mass of argon occupies 15.0 l at a pressure of 25 kpa . find the volume of the argon when the pressure is increased to 530 kpa.
What is the approximate pH of a solution prepared by adding 20 mL of 0.10 M NaOH to 200 mL of 0.10 M HCl?
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Hydrogen gas is contained in a one-liter vessel at "STP"(0 degrees Celsius and 1 Std. Atm.). Flourine gas is contained in a second one-liter vessel at the same conditions of temperature and pressure.
What is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased by 8.1 oC when 207 J of heat is added.
When 2.00 moles of H2O react, how many grams of NH3 are produced?
Develop an argument based on bond enthalpies for the importance of SiO bonds in substances common in the Earth's crust in preference to SiSi or SiH bonds
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