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arsen [322]
3 years ago
5

Help please anyone?!‼️

Mathematics
2 answers:
hodyreva [135]3 years ago
7 0

Answer:

-20.1 degrees Celsius

Step-by-step explanation:

The system started at -12.6 Celsius. It then cooled 7.5 degrees during a reaction. Because it cooled, that means the difference is negative.

-12.6 degrees Celsius - 7.5 degrees Celsius = -20.1 degrees Celsius

It is important to always remember your correct names and variables for numbers in chemistry!

Brilliant_brown [7]3 years ago
4 0
Answer: -20.1 hope this helped
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