Balancing Chemical Equations - Lab 7 REPORT SHEET Date Instructor Name Team Bala

Question

Balancing Chemical Equations - Lab 7 REPORT SHEET Date Instructor Name Team Balance the following reactions, believed to take place in the environment of a protostar, like that of our early sun: a) b) CH4(g) +H2O(g) Corg) H208) NH(g)Ng)H2(8) cole) COlg) H2(g) H2O(g) + + Balance the following reactions that occur among volcanic gases: a). SO2/g) 02g) SO3(8) b) H2S(g) O20g)-SO2(g)+ H20(g) Copper was one of the first metals used by humans because it can be prepared from a wide variety of copper minerals, such as cuprite (Cu20), Chalcocite (Cu3s), and malachite ICu2co3(oH)2]. Balance the following reactions for converting these minerals into cop metal. per 20(s) + C(s) Cu(s) + b) Cu20s)+Cu2s(s) Cus)+ Cu20 O3(OH)2(s) + C(s) CO2(g S02(8) Cu(s) + a) Cu CO2(g) H2O(g) + Some scientists believe that life on earth may have originated near deep-ocean vents. Balance the following reactions, which are among those taking place near such vents: CH3SH(1) + ) CH3COSCH3(1) +H25(g) -,

Explanation / Answer

CH4 + H2O = CO + 3H2

2NH3= N + 3H2

CO + H2O = CO2 + H2

4SO2 + 2O2 = 4SO3

2H2S +3O2 = 2SO2 +2H2O

2Cu2O + C = 4Cu + CO2

2Cu2O + Cu2S = 6Cu + SO2

Cu2CO3(OH)2 + C = 2Cu + 2CO2 + H2O  

4CH3SH + 2CO = 2CH3COSCH3 + 2H2S

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