The labeled diagram is given in the image attached.
As it can be seen from the image that freezing is when energy is removed from the system at 0 ⁰ while melting is when energy is added at 0⁰.
Also when energy is added at 100⁰C, it causes boiling while when it is removed at 100⁰C, it causes condensation.
Melting point of water is 0⁰C while boiling point is 100⁰C
1. 6 carbon atoms and triple bonding between carbons 2 and 3
2. i think it’s 3 but i may be wrong
20.7 g of Fe can be produced with 10.0g of Al
They are different because they formed at different distances from the sun.
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The mass of solid lead would displace exactly 234.6 liters of water should be <span>2,674,440</span>
