Introduction to Chemical Reactions

Question 1

Which indicator of a chemical reaction is shown in the picture?

Revolt · Accepted Answer

the formation of a gas

Question 2

Identify the chemical reactions as endothermic, exothermic, or neither.

Revolt · Accepted Answer

An egg cooking:: endothermic; A candle burning:: exothermic; Plaster and water combining and becoming warm:: exothermic; Salt being added to water, with no change in temperature:: neither

Question 3

✔ exothermicendothermicneither

Revolt · Accepted Answer

✔ exothermic

Question 4

✔ exothermicendothermicneither

Revolt · Accepted Answer

✔ exothermic

Question 5

exothermicendothermic✔ neither

Revolt · Accepted Answer

✔ neither

Introduction to Chemical Reactions Answers

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