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  • Stage 1

    Answer 3 questions correctly in a row.

When a chemical reaction absorbs or releases thermal energy, the reaction causes a change in temperature. Read the passage about a chemical reaction that absorbs or releases thermal energy. Then, follow the instructions below.
Dynamite contains the compound nitroglycerin 
(
C
3
H
5
N
3
O
9
)
. When dynamite is lit, the nitroglycerin explodes, forming nitrogen 
(
N
2
)
, carbon monoxide 
(
C
O
)
, water 
(
H
2
O
)
, and oxygen 
(
O
2
)
. This reaction quickly releases a huge amount of thermal energy into the surroundings. Because so much energy is released in such a short time, dynamite can be used to blast through solid rock.
Complete the statement.
During this chemical reaction, the 
air around the reaction
 becomes 
warmer

.
ref_doc_title.

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