Can someone help me with example #1 please

343 K

Explanation:

To convert Celsius to Kelvin, you would add 273 to Celsius.

70°C+273=343 K

Now, we know that 70°C is 343 K.

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

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