How many moles of helium atoms are there in 0.02g of helium

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

so she was walking and she stepped on warm jeffy , uh uh uhh dadye i just pooped my pants

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;