Chemistry

Chemistry

Problem

Ammonia liquid boils at −33 ∘C-33\text{ }^\circ\text{C} and freezes at −78 ∘C-78\text{ }^\circ\text{C} at atmospheric pressure. a. a Predict the state of ammonia at i −50 ∘C-50\text{ }^\circ\text{C} ii −80 ∘C-80\text{ }^\circ\text{C} iii 200 K. b. - b Sketch a graph of temperature against time as a sample of ammonia is cooled from 0 °C to –50 °C.

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