Answer :
The one standard atmosphere of pressure in kilospascals is:
C. 101.3 kPa.
Standard atmospheric pressure is the pressure exerted by the Earth's atmosphere at sea level under normal conditions. It is commonly denoted as 1 atm (one standard atmosphere) and is equivalent to the pressure exerted by a column of mercury approximately 760 millimeters high in a barometer.
In the International System of Units (SI), pressure is measured in pascals (Pa), where 1 Pa is equal to the force of one newton (N) applied over an area of one square meter (m²). The pascal is a relatively small unit for atmospheric pressure, so kilopascals (kPa) are often used to represent standard atmospheric pressure.
To convert 1 atm (standard atmospheric pressure) to kilopascals:
1 atm = 1 standard atmosphere = 101.3 kilopascals (kPa)
So, the correct answer is C. 101.3 kPa. This value represents one standard atmosphere of pressure, which is the pressure exerted by the Earth's atmosphere at sea level under normal conditions.
To know more about one standard atmosphere here
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