555.2 Use the References to access important values if needed for this question.Enter electrons as e".Use smallest possible integer coefficients.If a box is not needed, leave it blank.A voltaic cell is constructed from a standard Cd2 Cd half cell (E°red = -0.403V) and a standard Ag" Ag half cell (E°red = 0.799V).The anode reaction is:+The cathode reaction is:The spontaneous cell reaction is:>The cell voltage isV.+

The half cells are given as:- Cd2+| Cd = - 0.403V Ag+|Ag = 0.799V

Answered: Use the References to access important…

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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A standard acid was prepared by placing 5.98 grams of H2C2O42H2O (molar mass: 126.07 g/mole) into a 250.00-milliliter volumetric flask. H2C2O4 (molar mass: 90.04 g/mole) For the blanks in this question: Report here only your numerical answers (without units), if the value is less than zero as a decimal (not in scientific notation), to the correct number of significant figures. Calculate the moles of H2C2O4 in the flask. Calculate the grams H2C2O4 in the flask. Calculate the molarity of the solution if the volumetric flask is filled to the mark with water.
If 31.0 g of MgSO4⋅7H2O is thoroughly heated, what mass of anhydrous magnesium sulfate will remain? Express your answer to three significant figures and include the appropriate units.
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O 00 5 Phosphorus reacts with oxygen to form diphosphorus pentoxide, P,O,. 4 P(s) + 50,(g) –→ 2 P,0,(s) How many grams of P,O, are formed when 6.71 g of phosphorus reacts with excess oxygen? Show the unit analysis used for the calculation by placing the correct components into the unit-factor slots. 6.71 g P x = g P,O, Answer Bank 32.00 g 0, 4 mol P I mol P 30.97 g P 2 mol P,O, I mol P,0, I mol O, 141.94 g P,0, 5 mol 0, grams of P,0,: g P,0,
Potassium permanganate reacts with oxalic acid (H2C2O4) in aqueous sulfuric acid according to the following reaction: 2 KMnO4(aq) + 5 H2C2O4(aq) + 3 H2SO4(aq) 2 MnSO4·H2O(s) + K2SO4(aq) + 10 CO2(g) + 6 H2O(l) The reaction is run a second time and 8.74 g of MnSO4·H2O are obtained. What volume of carbon dioxide gas is collected at 1.01 bar and 23˚C? Answer in L with the correct number of significant figures; do not use scientific notation.
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Aa.103.
A 0.693 g0.693 g sample of a metal, M, reacts completely with sulfuric acid according to M(s)+H2SO4(aq)⟶MSO4(aq)+H2(g)M(s)+H2SO4(aq)⟶MSO4(aq)+H2(g) A volume of 269 mL269 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr, and the temperature is 25 °C. The vapor pressure of water at 25 °C is 23.8 Torr. Calculate the molar mass of the metal.

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