What volume (in L) of carbon dioxide will be produced from the reaction of 13.6 L of nitrogen
monoxide?
2CO(g) + 2NO(g) + N2(g) + 2CO2(g)

1. and 2. question: in which equation? or i don't understand you, 3. a), 4. c), 5. c), 6. b), 7. d), 8. d) if small number is underlined(behind symbol) , b) if big number is underlined(in front of symbol)9. what is underlined there? 10. c)

It will fall off and tip over. 

Ithink it’s one of those things that you put the object on