Complete GATE CY 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 55–57 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 19 of 22

Question 45

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CYNAT2 marksNeeds review
The Latimer diagram of oxygen is given below. The value of x is ______ V. (Up to two decimal places)
Diagram for Chemistry question 45


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Question 46

Open question
CYNAT2 marksNeeds review
At temperature T, the canonical partition function of a harmonic oscillator with fundamental frequency (ν) is given by

For

, the probability of finding the harmonic oscillator in its ground vibrational state is ________. (Up to two decimal places)

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Question 47

Open question
CYNAT2 marksNeeds review
The enthalpy of vaporization of a liquid at its boiling point (Tᵦ = 200 K) is 15.3 kJ mol⁻¹. If the molar volumes of the liquid and the vapour at 200 K are 110 and 12000 cm³ mol⁻¹ respectively, then the slope

of the liquid-vapour boundary is ________ kPa K⁻¹. (Up to two decimal places. Note: 1 Pa = 1 J m⁻³)

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