Answer:
the molecules of water contracts when it is frozen
The following does NOT indicate that a chemical change
may have taken place is fracture formation. A chemical change happens when the
substance changes its physical state and composition resulting from a chemical
reaction. This chemical reaction may either give off or absorb energy. A change
in color is a chemical change. For example, litmus paper turns to red when
placed in an acid solution. Production of gas is a chemical change. For
example, adding hydrochloric acid to the tiles of the bathroom gives a hissing
sound with gases given off. Formation of a precipitate is also a chemical
change. Change in shape is not a chemical change.
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Answer
The volume of the container that the gas is in = 874.30 L
Explanation
Given:
Moles, n = 3.2 mol
Pressure, P = 0.095 atm
Temperature, T = 43 °C = (43 + 273.15 K) = 316.15 K
Molar gas constant, R = 0.0821 atm•L/mol•K
What to find:
The volume of the container that the gas occupied.
Step-by-step solution:
The volume of the container that the gas occupied can be calculated using the ideal gas equation.

Therefore, the volume of the container that the gas occupied is 874.30 L
Answer:
<h2>9.26 L</h2>
Explanation:
The density of a substance can be found by using the formula

From the question we have

We have the final answer as
<h3>9.26 L</h3>
Hope this helps you