Easy Chemistry Question for 25 Points! Using the phase diagram for water, what phase is water in at 50 degrees Celsius and 2.00 atmospheres? *Screenshot is linked. A) Solid B) Liquid C) Gas D) Vapor Thanks!

B

Explanation:

We treat phase diagrams like it is a graph for math. We go to 50°C on the x axis. That leads us to the Gas phase. Then, we move up to 2.0 atm. That puts us at the liquid phase.

the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3

on passing the small ampere of electric current through the tube made of ar and hg of cfl generates uv rays which excites the fluorescent and thus emits the high radiation by consumption of just 5- 12 w in comparison to incandescent light which requires more power such as around 40 - 55 w to lighten.

moreover the life span of fluorescent or cfl is around 8000 h whereas the life span of incandescent is around 1200 h

hence, the building installed with incandescent lights bears more electricity bill.