15.0 g of neon gas confined in a volume of 2.50 L in a pressure of 1.00ATM what is the temperature in degrees Celsius

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Helium decays to form lithium. which equation correctly describes this decay?

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius