The gas in the piston is at constant temperature. A student increases the pressure on the piston from 2 atm to 3 atm. The observ
ation will be summarized in a row of the incomplete table below.

Row
Name
Observation
Constants
1
Boyle's law
?
?
2
Charles’s law
?
?
3
Gay-Lussac’s law
?
Volume, moles of gas
4
Combined gas law
?
?
Which row of the table and which observation would the student fill?
row 1, volume decreases when temperature decreases
row 1, volume decreases when pressure increases
row 3, volume decreases when temperature decreases
row 3, volume decreases when pressure increases
1 answer:
Answer: row 1, the volume decreases when the pressure increased
Explanation:
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Answer:
True.
Explanation:
An exothermic reaction has a positive enthalpy (heat) of reaction. However, it can be negative in some circumstances.
Only when there is no product that is when a chemical reaction has not occured
There are 4 significant figures! Start counting after the first non-zero digit :)
Hope this helps.
