A sample of phosphorus tri chloride has at STP occupies a volume of 12.3L. How many miles is the sample?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution