punts) Listen Supercritical fuu 730 Solid Liquid Pressure (atm) Gas 5.11 31.1 -785-564 Temperature (C) - Phase Diagram for Unknown Substance At a constant pressure of 10.0 atm, solid is gradually heated from -80C to 20C. Which of the following will occur? At a constant pressure of 10.0 atm, solid is gradually heated from -80C to 20 Which of the following will occur? a) it will condense b) it will freeze 5 c) it will sublime d) it will melt