13. Balance the following equation:Mg+02 -->MgOYour answer14. Using the equation in number 13, when 0.25 moles of Mg reacts with excessoxygen, how many moles of MgO are produced? (Hint: 1 step conversion) *0.50 moles MgO0.25 moles Mgo1.0 moles MgoO 0.75 moles Mgo15. What is the pressure of a 2.0L container that holds 0.78 moles of hydrogengas at 34 degrees Celsius? (R= 0.0821 L atm/K mol).9.8 atm1.09 atm4.35 atm39.3 atm

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13. Balance the following equation: Mg + 02 --> MgO

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

Chapter5: Gases

Section: Chapter Questions

Problem 116E

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Question

13. Balance the following equation:
Mg+
02 -->
MgO
Your answer
14. Using the equation in number 13, when 0.25 moles of Mg reacts with excess
oxygen, how many moles of MgO are produced? (Hint: 1 step conversion) *
0.50 moles MgO
0.25 moles Mgo
1.0 moles Mgo
O 0.75 moles Mgo
15. What is the pressure of a 2.0L container that holds 0.78 moles of hydrogen
gas at 34 degrees Celsius? (R= 0.0821 L atm/K mol).
9.8 atm
1.09 atm
4.35 atm
39.3 atm

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