Answer:
Gas was evolved
Explanation:
The reaction produces chlorine gas which has a pungent smell and is dangerous in excess
The answer is b, because if it gets colder then means more heat is exiting than it is entering.
Answer:
<em><u>spontaneous composition</u></em> is the ingnition
of the substance due to the repid oxidation of its on material.
There is no requirement of heat of external sources.
<em><u>Rapid composition</u></em> on the other hand release large amount of heat and light energy.
Explosion and the firecracker is the best example of Rapid composition.
Answer:
A. Energy must be conserved in a nuclear reaction
Explanation:
Answer:
The half-cells separate the oxidation half-reaction from the reduction half-reaction and make it possible for current to flow through an external wire.
Explanation: