A reaction vessel is filled with 4.04 g of hydrogen gas and 16.0g of oxygen gas, and the mixture explodes. Identify the limiting reactant and deduce the mass of water produced.

The answer is a) carbon-12

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 .

Maybe you should get some from your teacher and learn more so you can get your grades up and maybe study a bit more