Aballoon filled with hydrogen gas had a volume of 29000 l at a pressure of 760 mmhg and a temperature of 0 âc. when the balloon reached an altitude of 1000 m, the pressure was 608 mmhg and the temperature was â 9 âc. what was the volume in liters of the balloon at these conditions, if the amount of gas does not change

Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned

The higher the astm grain size number, the finer the gran is. a)-true b)-false

Describe one experiment in which the glass transition temperature and melting temperature of a totally amorphous thermoplastic material can be determined. show the relevant experimental results in a diagram which should be properly annotated with the two temperatures clearly marked. what is likely to happen to the curve in the diagram if the amorphous polymer is replaced by a thermosetting type?