Me with this question i cannot get it wrong and i will get in trouble if i do flames are the heat and light energy that is release when the chemical bonds in a substance are broken. what provides the chemical potential energy in a candle? a. spark b. heat c. wax d. water

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?

The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.