Chemistry
08.03.2021 09:54
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5. which of the following is a synthesis reaction? (2 points) 2h2 + o2 β 2h2o 2h2o2
5. which of the following is a synthesis reaction? (2 points)
2h2 + o2 β 2h2o
2h2o2 β 2h2o + o2
caco3 β cao + co2
2agno3 + zn β 2ag + zn(no3)2
Show Answers
2h2 + o2 β 2h2o
2h2o2 β 2h2o + o2
caco3 β cao + co2
2agno3 + zn β 2ag + zn(no3)2
bryce12351
4,5(77 marks)
2H2 + O2 = 2H2O since two elements created a compound, in this case water.
alyssawilliams4
4,4(7 marks)
The balanced reaction is: H2O2 -> H2O + (1/2) O2
However, this is a very awkward equation since it has a coefficient in fraction form.
Another way to write this equation is:
2 H2O2 -> 2 H2O + O2
Hope this helps.
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