1) Methane (CH4) combusts in oxygen to yield gaseous carbon dioxide and water vapor. Write the balanced reaction. If 65.2 mg of methane reacts with excess oxygen, determine the mass of water vapor thatwill be produced. Show all calculations and units.2) Iz is produced by the reaction of 2.68 g of potassium iodide according to the following equation: 2CuCl2 + 4KI --> 2Cul2 +4KCI + I2. What is the theoretical yield (in g) of I2 from thisprocess assuming excess copper (II) chloride?3) lodine is unstable in its elemental form, therefore it is often prepared from an iodide and an iodate salt according to the following equation: 103- + 51- + 6H+ → 312 + 3H2O. How many grams of the iodide ion (1-) are required to prepare 15 g of H2O?4) Describe the difference between the limiting and excess reagents (in your own words). If given quantities of each reactant, describe one way to determine the limiting reactant (in your own words).5) In the following reaction lithium and oxygen are combined to make lithium oxide: 4 Li(s) + O2(g) → 2 Li20 (s). If 2 mol of lithium and 0.75 mol of oxygen are used,which is the limiting reagent and why? Show your work and calculations.6) A sample of 0.268 mol of chromium(IIl)phosphate was obtained after mixing 438 g of chromium with excess phosphoric acid. What is the percent yield for thisreaction? 2Cr(s)+2H3PO4(aq)2CRPO4(6s)+3H2(g)

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1) Methane (CH4) combusts in oxygen to yield gaseous carbon dioxide and water vapor. Write the balanced reaction. If 65.2 mg of methane reacts with excess oxygen, determine the mass of water vapor that will be produced. Show all calculations and units.

1) Methane (CH4) combusts in oxygen to yield gaseous carbon dioxide and water vapor. Write the balanced reaction. If 65.2 mg of methane reacts with excess oxygen, determine the mass of water vapor that will be produced. Show all calculations and units.

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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