Chem%20112%20Practice%20Exam%201

Chem%20112%20Practice%20Exam%201 - Chem 112 Section 2 Exam...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Page 1 Chem 112 Section 2 Exam 1 Name:______________________________________ Seat # Please put each of your answers on the front cover to make it easier for grading. I will also check in the test booklet for problems that require calculations. If the answer is wrong, partial credit will be given whenever possible. You must have calculations present within the test to get credit for an answer even if the answer is correct . The seat you are sitting in is linked to a particular exam. The seat number you write down must match the exam or you will also lose 25 points automatically!!!!! 1 3 4 1.21 10 1 1 ln 1.38 10 8.314 303 322 a E x x - - = - Lowers Activation Energy Increases reaction rate 2 pt Arrhenius equation, No, it is not very accurate since it depends on the accuracy of only 2 data points 2 4M 0.25 Left Left 3 1 Shift toward products Q<K ( ) ( ) 2 3 2 3 3 1 1 0 2 5 0 1 1 0 [H I]= 1 1 0 2 - - - + = - + x x x x x x 4 3.60 x 10 -3 3.60 x 10 -3 [A] termolecular slow 5 2 2 2 2 2 [ ] [ ][ ] COCl K CO Cl = xy 2 2 1/ 2 [ ] K xy = 6 Second order Third order Rate increases Molecules move more quickly resulting in more collisions 8-fold 7 ( ) 0 .6 9 3 ln 6 0 ln [1 .2 0 ] 2 4 A = + 0.60M x-axis: time y-axis: lnA negative 8 2 2 2 Br NO p NOBr P P K P = 2 2 2 2 2 (2)(4) 2 (4) Br NO p NOBr P P K P = = = [ ] 1 2 (0.0821)(298 ) c K K =
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Page 2 Kinetics and Equilibrium: For the reaction aA + bB + … cC + dD Rate= k[A] m [B] n K c = [C] c [D] d K p = P c C P d D Q c = [C] c [D] d ln(k 2 / k 1 ) = E a /R (1/T 1 -1/T 2 ) [A] a [B]
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

Chem%20112%20Practice%20Exam%201 - Chem 112 Section 2 Exam...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online