3 years ago

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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