Who wants to be my bf? :) Also plz don't report cause I'm not trying to be rude or innapropriate

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

How many molecules are in 6.0 moles of methane

Which of the following is most likely true about water in chemical solutions?