(b) How many moles of hydrogen are needed to make 30 moles of Fe?

PLEASE HELP ASAP

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).

your answer is c) plasma

~*"auba14"*~

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )