Answer :
Final answer:
A pressure of 745 mmHg corresponds to 99.3 kPa when converted using the relationship 1 atm = 760 mmHg = 101.325 kPa.
Explanation:
A pressure of 745 mmHg is equivalent to how many kilopascals (kPa)? To convert from millimeters of mercury (mmHg) to kilopascals (kPa), we can use the conversion factor where 1 atm is equal to 760 mmHg and 101.325 kPa. Using this information, the calculation is as follows:
745 mmHg x (1 atm / 760 mmHg) x (101.325 kPa / 1 atm) = 99.3 kPa
So, a pressure of 745 mmHg corresponds to 99.3 kPa, which means the correct answer is option (c) 99.3 kPa.
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