Answer:
I believe it is B
Explanation:
I am on this lesson too :)
Answer:
C8H8 + 10O2 → 8CO2 + 4H2O
Explanation:
unbalanced reaction:
C8H8 + O2 → CO2 + H2O
balanced for semireactions:
(1) 16H2O + C8H8 → 8CO2 + 40H+
(2) 10(4H+ + O2 → 2H2O)
⇒ 40H+ + 10O2 → 20H2O
(1) + (2):
balanced reaction:
⇒ C8H8 + 10O2 → 8CO2 + 4H2O
8 - C - 8
20 - O2 - 20
8 - H - 8
Answer: An energy resource is something that can produce heat, power life, move objects, or produce electricity
Answer:
B
Explanation:
I had this question and got it right
Answer:
oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus.
Explanation:
the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus.
