-58 °C
The melting point is the same as the freezing point.
It is better for the whales to go where the whales have the ability to dive longer and deeper to find cooler water.
At STP condition 1 mol of any ideal gas will have a volume of 22.4L
1.75 mol of F2 x 22.4 L / 1 mol = 39.2 L
Compact fluorescent bulbs because they made out of glass that will break and will dye and then they can't be used again