Help pls! The electrolysis of water forms H2 and O2.

2H2O Right arrow. 2H2 + O2

What is the percent yield of O2 if 10.2 g of O2 is produced from the decomposition of 17.0 g of H2O?

Use Percent yield equals StartFraction actual yield over theoretical yield EndFraction times 100..

15.1%

33.8%

60.1%

67.6%

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i. e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

Identify and describe the three ways that mutations affect organisms.