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Aqueous copper (II) reacts with aqueous iodide ion to yeild solid copper (I) iodide and aqueous iodine. write the balanced ionic equation and identify the oxidiziton and reducing agent
At 25 degrees Celsius the rate constant for the decomposition of a pesticide solution is 6.40e-3 min-1. If the starting concentration of pesticide is 0.0314M, what concentration will remain after 62.0min at 25 degrees Celsius
What is the change in the boiling point of the aqueous solution? and water how man moles of ions are present is solution
A gaseous mixture of O2 and N2 contains 40.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 405mmhg
Exactly 50.00mL of a 0.4230M solution of Na3PO4 was mixed with 100.00mL of 0.5151M HgNO3. What mass of solid Hg3PO4 was formed
The freezing points of 0.0935 m ammonium chloride and 0.0378 m ammonium sulfate in water were found to be -0.322 C and 0.173 C. What are the values of the van't Hoff factors for these salts
How many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction. The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s) ? 2 K2O(s) + 2 N2(g) + 5 O2(g)
What is a balaced equation for the precipitation of aspirin from a sodium acetylsalicylate solution by hcl
What is the minimum voltage needed to produce a reaction in the electrolysis of copper(II) sulfate using inert electrodes. This is the same as asking what is Ecell for the electrolytic cell. However, express your answer as a positive number.
calculate the molarity (M) of the solution when water is added to prepare each of the following: a)25.0 mL of a 18.0 M HCl solution is diuted to 500 mL. b)50.0 mL of a 1.50 M NaCl solution is diluted to 125 mL. c)4.50 mL of a 8.50 M KOH solution i..
What is the pressure in atmospheres inside a container of gas connected to a mercury-filled open-end manometer when the level in the arm connected to the container is 21.2cm higher than the level in the arm open
Calculate the zero-point energy of a harmonic oscillator consisting of a rigid CO molecule adsorbed to a metal surface by a bond of force
Calculate the heat absorbed by 15.0 g of water to raise its temperature from 20.0oC to 50.0oC at constant pressure. The specific heat of water is 4.18 J/g.oC
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