1 suppone you have used equation of tate for the ideal gas to estimate the press

Question

1 suppone you have used equation of tate for the ideal gas to estimate the pressure of a real gas a result, a 6gue that is lower than the actual pressure. The cause of the discrepancy is that, at the conditions in question, a) the molecules attract (b) the molecules do not interact (c) the molecules repel (d) not enough in (a) 3.3 kJ (b) 6.0 kJ (e) .33 (d) 6.0 3. According to the Gibbs free energy dependenoe on an order parameter below, (a) State 1 corresponds to stable bri (b) State 2 ecrresponds to neutral equilibrium (e) state 3 corresponds to metastable equilibrium (d) none of the above

Explanation / Answer

1)
Real gas molecule attract each other
It is vanderwaal's attraction force
Answer: a

2)
1 mol of ice = 18 g = 0.018 Kg

|Q| = specific heat of melting * number of mol
= 334 KJ/Kg * 0.018 Kg
= 6.0 KJ

This is the heat needed. SO it must be positive
Answer: b

I am allowed to answer only 1 question at a time

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