SLE133 Lecture 9: Chapter 9 sample question

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greenprairie-dog776

11 May 2018

School

Deakin University

Department

Science, Engineering and Built Environment

Course

SLE133

Professor

Annie Teo

For unlimited access to Class Notes, a Class+ subscription is required.

DiplomaofHealthSciences

DiplomaofScience

SLE133ChemistryinOurWorld

SLE133CHEMISTRYINOURWORLDSAMPLEQUESTIONS2018 Page20of25

Q9Solutions[3+2+2+3+2+2=14marks]



a)HFisaweakelectrolyteandHBrisastrongelectrolyte.Whichofthecurvesinthediagram

aboverepresentsthechangeinboilingpointofanaqueoussolutionwhen1moleofHFis

addedto1kgwater?Explain.

 [3marks]



b)Considerthetwomoleculescarbondisulfide(CS2)andcarbontetrachloride(CCl4):

 [1mark]

i) WhatarethepredominantintermolecularforcesbetweenCS2andCCl4?



Dipole‐dipole/Londondispersion/hydrogenbonds



[1mark]

ii) ArethetwoliquidsCS2andCCl4likelytobemiscible?



miscible/immiscible





Curve1

Curve2

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Related Questions

21. What prints in the following question. int[] [] x = { { 1, 2, 3} , {4, 5}, {6, 7}}; x[0] = new int [4]; System.out.println(x.length); (A) 3 (B) 8 (C) 7 (D) There is a compiler error. (E) 2

Your program will take an arithmetic expression as a String input. For Example:

“1+2*(3/4)”

“1+2*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14”

“1+2*[3*3+{4–5(6(7/8/9)+10)}–11+(12*8)/{13+13}]+14”

Program

Your program will determine whether the open brackets (the square brackets, curly braces and the parentheses) are closed in the correct order.

Outputs:

Output 1

1+2*(3/4)

This expression is correct.

Output 2

1+2*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14

This expression is NOT correct.

Error at character # 10. ‘{‘- not closed.

Output 3

1+2*[3*3+{4–5(6(7/8/9)+10)}–11+(12*8)/{13+13}]+14

This expression is correct.

Output 4

1+2]*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14

This expression is NOT correct.

Error at character # 4. ‘]‘- not opened.

Task 1

Solve the above problem using an array-based stack.

Task 2

Solve the above problem using a linked list-based stack.

goldtrout295

Complete the following problem using concepts of STACK.
If you are using JAVA, you must include the main method as well which should test your other methods and print the outputs according to the tasks.
If you are using PYTHON, make sure your code has the methods invoked and proper printing statements according to the tasks.
Your program will take an arithmetic expression as a string input. For Example:
- “1+2*(3/4)”
- “1+2*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14”
- “1+2*[3*3+{4–5(6(7/8/9)+10)}–11+(12*8)/{13+13}]+14”
Program

Your program will determine whether the open brackets (the square brackets, curly braces, and the parentheses) are closed in the correct order.

Outputs:

Output 1

1+2*(3/4)

This expression is correct.

Output 2

1+2*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14

This expression is NOT correct.

Error at character # 10. ‘{‘- not closed.

Output 3

1+2*[3*3+{4–5(6(7/8/9)+10)}–11+(12*8)/{13+13}]+14

This expression is correct.

Output 4

1+2]*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14

This expression is NOT correct.

Error at character # 4. ‘]‘- not opened.

Task 1

Solve the above problem using an array-based stack.

Task 2

Solve the above problem using a linked list-based stack.

goldtrout295

SLE133 Lecture 9: Chapter 9 sample question

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