If the initial temperature of an ideal gas at 2.05 atm is 57 °C, what final temperature (in °C) would cause the pressure to be reduced to 1.75 atm? Please help ASAP!
(You have to convert 57 degrees celsius to Kelvin first)

What is important to study for nios grade 12 chemistry? i have only one month left.

Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.