Answer:a line or a circle but i think circle
Explanation:
The reaction is:
<span>4Li(s) + O2 (g) = 2Li+ + 2O-2(s).
The oxidizing agent is the one that is being reduced which is oxygen where the charge changed from neutral to -2 while the reducing agent is the on being oxidized which is lithium where the charge change from neutral to +1.</span>
Put a thermometer in the water and wait until it boils. When it boils record the temperature and compare it to the normal water boiling point.