Choose all the true statements about the heating curve: OThe temperature remains constant during segments B and D.
OA phase change occurs from 300-400 seconds.
ODuring segment E, the kinetic energy of the sample is increasing as heat is absorbed.
O The unknown releases heat as it vaporizes from a liquid to a gas.
O The freezing point is at - 10 degrees Celsius.
O The unknown is both solid and liquid during segment C.
O As heat is absorbed, the potential energy of the sample is increasing at segments A, C, and E.
O The potential energy of the sample is increasing at segments B and D.
O During segment D, both a liquid and gas are present.
O The unknown material is boiling during segment D.
O Heat energy is released when the material freezes.
O During segment D, the kinetic energy of the sample is increasing.
O
The condensation point is at 50 degrees Celsius.