Answer:
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Step-by-step explanation:
divide
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negative 10×three-halves
Answer: 180 people
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Answer:H2+Br2-->2HBr
The amount of atoms on the left side must be equal to the amount of atoms on the right side for each element.
On the left you got 2xH and 2xBr.
This means you must have the same amount on the right.
2HBr =2xH + 2xBr
