What is the volume of hydrogen gas needed to react completely with 4.8 L of oxygen gas to form water? All gases at STP

What happens when an acid dissolves?

What causes most sediment to wash or fall into a river

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