Ascientist is measuring the pressure that is exerted by each of the following gases in the atmosphere: carbon dioxide, oxygen, and nitrogen. which term most likely describes what she is measuring? final pressure atmospheric pressure combined pressure partial pressure

The term that most likely describe what the scientist is measuring is partial pressure

Final Pressure: Represents the pressure of a gas after it undergoes a change in temperature or volume.

Atmospheric Pressure: Represents the pressure of all the gases in the atmosphere over the Earth's surface.

Combined Pressure: Represents the sum of the pressure of all the gases in a system.

Partial Pressure: Represents the individual contribution to the overall pressure of a gas in a mixture of gases.

The Earth's atmosphere is composed of a mixture of gases, namely Carbon Dioxide (CO₂), Oxygen (O₂), Nitrogen (N), and other trace gases. If the scientist want to know the individual pressure exerted by each of these gases, she'll need to measure the partial pressure of each gas.

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c is the answer because when something is left after something evaporates that shows the chemical change.

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.