Answer:
reactivity is NOT a physical property
Explanation:
Mole ratio of Ethane to Oxygen = 2 : 7
Moles of O2 needed = 24 moles * (7/2) = 84 moles.
Answer: C
Explanation: Picture attached.
The answer is A:algae growing on the glass. A Biotic Factor is any living thing in a ecosystem and a Abiotic is any non-living things like
B:gravel on the bottom of the aquarium
C:temperature of the water
<span>D:amount of oxygen in the water</span>
