What volume (in litres)of water vapour could be collected if 20.0 kg of octane is burned in the presence of 845.5 g of oxygen at 22.0 ºC and 98.5 kPa.

Hi. where is the graph?

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .

The answer is celsius