At which temperature does water have particles with a greater average kinetic energy than water with a temperature of 30°C?

A higher temperature means greater average kinetic energy. Since 30°C is 86°F, 95°F (about 35°C) is warmer; 77°F, 280 K, and 300 K are all below 30°C. So water at 95°F has greater average kinetic energy.

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