100 mL of water vapor is decomposed at high temperature to produce hydrogen and oxygen. The volumes of hydrogen and oxygen formed, when measured at 25 C and atmospheric pressure, are respectively
a. 50 mL and 50 mL
c. 100 mL and 50 mL
b. 50 mL and 100 mL
d. 100 mL and 100 mL

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point