liljr567
contestada

The freezing point of a substance is -20°C. Its boiling point is 120°C.
a. At 80°C the substance is in the state
b. At -50°C the substance is in the state.
C. At 140°C the substance is in the state.

The freezing point of a substance is 20C Its boiling point is 120C a At 80C the substance is in the state b At 50C the substance is in the state C At 140C the s class=