I. Compute the ratio of the Zero point energy for the diatomic deuterium and tritium substituted compound XD and XT Ii. From this and the C-H stretching frequency of 3000 cm-1, compute the C-D and C-T stretching frequency.
iii. What is the Zero point difference bin kJ
iv. Predict the value of kH/kT at 300k?
v. What is the ratio of kD/kT?

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explanation:

answer : third trial had the contaminated sample and the correct value for dhrxn should be 1000 kj/mol

explanation :

let us write down the given equations

equation 1 :

equation 2 :

equation 3 :

let us use hess's law to find out which 2 equations can be added to get the third equation.

let us reverse equation 2 and multiply it by 2. the new equation that we get is,

equation 4 :

let us add equation 1 & 4

the above equation is similar to equation 3 but has different value for dhrxn.

therefore third trial had the contaminated sample and the correct value for dhrxn should be 1000 kj/mol