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ioda
4 years ago
5

What did Hubble's law tells us?

Chemistry
1 answer:
Reptile [31]4 years ago
8 0

In short, Hubble's Law is telling us that the universe is expanding. A way of thinking about his law, is raisin bread. The raisins are galaxies, and the dough is is space between all of the galaxies. When the dough is cooked, it rises and expands, leaving the raisins farther and farther apart.

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Draw a Lewis structure for ketene, C2H2O , which has a carbon‑carbon double bond. Include all hydrogen atoms and show all unshar
Vladimir79 [104]

<u>Answer:</u> The lewis dot structure is attached below.

<u>Explanation:</u>

A Lewis dot structure is defined as the representation of atoms having electrons around the atom where electrons are represented as dots.

A ketene is an organic compound having general formula R′R″C=C=O, where R and R' are two different/same monovalent chemical groups.

The given chemical compound having formula C_2H_2O is represented as H_2-C=C=O.

Total number of unshared electrons = 4 (left on oxygen atom only)

The lewis dot structure of C_2H_2O is given in the image below.

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3 years ago
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