Which of the following temperatures represents the boiling point of water at 300 kPa?

The boiling point of water varies depending on the pressure exerted on it, with higher pressures resulting in higher boiling points. At standard atmospheric pressure (approximately 101.3 kPa), water boils at 100 degrees Celsius. However, as the pressure increases, the boiling point also increases due to the need for more heat in order to allow water molecules to escape from the liquid phase into the vapor phase.

At a pressure of 300 kPa, the boiling point of water is approximately 134 degrees Celsius. This is determined by steam tables or calculation methods that relate pressure to boiling point.

Thus, option C, representing 134 degrees Celsius, accurately reflects the boiling point of water at 300 kPa. The other temperatures listed do not correspond to the boiling point of water under these conditions, making option C the only correct choice.