Which of the following test tubes A) would have the fastest rate of reaction? Defend your answer.

B) would have the slowest rate of reaction? Defend your answer.

Why doesn't heat added to water make the tempature rise above 100c

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6