What is the purpose of the arrow in a chemical equation? A. It indicates the direction in which the reaction occurs.
В.
It separates the elements from the compounds.
с.
It indicates the direction of increase in the number of molecules.
OD.
It indicates the direction of heat movement in a reaction.

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

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

Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2