What is the name of the hydrocarbon ch3(ch2)6ch3?
a. butane
b. decane
c. octane
d. propane

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

Which change to the system wood cause the freely-moving piston to lower?

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol