Answer :

To convert pressure from atmospheres (atm) to kilopascals (kPa), we use a conversion factor.

Here's how you can approach this:

1. Understand the Conversion Factor:
- 1 atm is equivalent to 101.325 kPa. This is a standard conversion factor between these two units of pressure.

2. Set Up the Conversion:
- You have a pressure of 2.42 atm, and you want to convert it to kPa.

3. Perform the Multiplication:
- Multiply the pressure in atm by the conversion factor to get the pressure in kPa:
[tex]\[
\text{Pressure in kPa} = 2.42 \, \text{atm} \times 101.325 \, \text{kPa/atm}
\][/tex]

4. Calculate:
[tex]\[
\text{Pressure in kPa} = 245.2065 \, \text{kPa}
\][/tex]

5. Round and Select the Closest Option:
- Round the result to the nearest kPa if necessary. Here, 245.2065 rounds to 245 kPa.

So, the pressure of 2.42 atm is approximately 245 kPa. Therefore, the correct answer from the given options is 245 kPa.

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Rewritten by : Barada