Water, h2o, is a molecule made of oxygen and hydrogen. the bonds that hold water molecules together are due to shared and known as covalent bonds.

What are the percent by mass of copper in penny lab

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

What extra step distinguishes fermentation from glycolysis