Calculate the ratio of the velocity of helium(He) atoms to the velocity of neon(Ne) atoms at the same temperature. molar mass of He= 4, molar mass of Ne=20

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

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