23. Use your answers to Questions 19-22 to help you explain what is going on at the atomic scale so the potato conducts electricity but the chip does not. You explanation should include: The role of water in conductivity The role of water in dissolving salts Why salts only conduct in certain conditions The role of water conductivity is a measure of the ability of water to pass an electrical

23. Use your answers to Questions 19-22 to help you explain what is going on at the atomic scale so the potato conducts electricity but the chip does not. You explanation should include: The role of water in conductivity The role of water in dissolving salts Why salts only conduct in certain conditions The role of water conductivity is a measure of the ability of water to pass an electrical

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter4: Types Of Chemical Reactions And Solution Stoichiometry

Section: Chapter Questions

Problem 30E: Commercial cold packs and hot packs are available for treating athletic injuries. Both types contain...

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Complete and balance the equations for the following acid-base neutralization reactions. If water is used as a solvent, write the reactants and products as aqueous ions. In some cases, there may be more than one correct answer, depending on the amounts of reactants used. (a) Mg(OH)2(s)+HCl4(aq) (b) SO3(g)+H2O(l) (assume an excess of water and that the product dissolves) (c) SrO(s)+H2SO4(l)
The sodium level in a patients blood was measured at 137 mmol/L. If 15.0 mL of blood is drawn from this patient, what mass of sodium would be present?
Describe the use of gravimetric analysis to determine the percentage of chlorine in a water-soluble unknown solid.
Commercial cold packs and hot packs are available for treating athletic injuries. Both types contain a pouch of water and a dry chemical. When the pack is struck, the pouch of water breaks, dissolving the chemical, and the solution becomes either hot or cold. Many hot packs use magnesium sulfate, and many cold packs use ammonium nitrate. Write reactions to show how these strong electrolytes break apart when they dissolve in water.