Author: Anonymous

For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work. Analyze the reaction below: GF (aq) → G (aq) + F (aq)   Initial concentration =   .200M Rate constant = 0.0125 M-1s-1 a) (2 pts) What is the overall order of this reaction? Justify your answer.  b) (4 pts) Describe how you would calculate the initial rate of the decomposition of this solution at 50°           c) (4 pts) How long will it take for the concentration of GF to decrease to 0.075 M? d) (4 pts) Calculate the half-life of GF at this temperature. 

For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work. Give the IUPAC name for each of the following (No need to use “cis”/”trans” naming for the double bond hydrocarbon): a) b)   c)  Write the molecular formula and draw the expanded, condensed, and skeletal structures of Hexene d)  Draw and name two other isomer skeletal structures of the above hydrocarbon (part c)

The biceps femoris is the more medial hamstrings muscle. 

For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work. Observe the reaction below at 25OC Pt (s) + 2 Cu+ (aq)  →  Pt2+ (aq) + 2 Cu (s) a)  What is the standard cell potential for this reaction? b) What is the standard Gibbs free energy for this reaction? c) What is the equilibrium constant for this reaction? d) ) Is this reaction taking place in a voltaic cell or an electrolytic cell? Explain using the data you calculated.

For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work Calculate the pH of an aqueous solution prepared by titrating 50.0 mL of 0.135 M HA (Ka = 6.6 x 10-4) with 23.5 mL of 0.100 M NaOH. If the flask contained a .135M of a strong acid, what would the pH be instead?  

There are 50 questions (2 points each), you have 75 minutes to complete this exam. Good luck! Note: the choices are randomized. If you see “all/none of the above”, it was meant to go as the bottom choice.

5.4 Noem die front gemerk A wat met hierdie druksel geassosieer word. (2)

2.4 Bereken die temperatuurspeling tussen Hondeklipbaai en Amanzimtoti.  (3)

VRAAG 3 Osoonuitputting   Gebruik jou addendum en verwys na BRON D om die vrae wat volg te beantwoord.

4.2 Noem die tipe reënval wat  algemeen met hierdie wolke gepaard gaan. (2)