20 calories equals to 8.368 joules.
4.184 J is needed to raise 1 gram of water.(Heat capacity of water)
for 2 grams of water 8.368 joules.
So the answer is 16 c.
Answer:
there are elemental molecules, made from one type of atom (pure), example: oxygen and there are compound molecules, made from more then one type of atom, for example carbon dioxide
Answer:
<em>Option</em><em> b</em><em>)</em><em> </em><em>It </em><em>is </em><em>a </em><em>combustible</em><em> </em><em>gas </em><em>.</em>
<em><u>maybe</u></em><em><u> this</u></em><em><u> </u></em><em><u>might</u></em><em><u> help</u></em><em><u> u</u></em>
Are you asking questions to see if where smart or cause you don’t know the answer?
Answer:just breath its ok just use brainly
Explanation: