Describe three signs that a chemical reaction has taken place and give an example of each sign

1 answer:

7 0

Color change, temperature change, bubbling, state change

green to blue, hot to cold, bubbles (lol), and liquid to gas

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MaRussiya [10]

Q=mcT

125cal=(60.0g)(0.0920)(T-21)

[(125)/(60)(0.0920)]+21=T2

T2=43.6C

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3 years ago

Ann [662]

Answer:

Explanation:

thermal expansion♡

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2 years ago

erma4kov [3.2K]

Well, 2 litres is 2 kilograms. 1000 grams = 1 kilogram

So that means that 2 litres of water = 2000 grams

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Tcecarenko [31]

Answer:

Writing maybe

Explanation:

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kirill [66]

Answer:

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