The questions below refer to the following diagram:   At what point on the graph is the activated complex present?

The reaction exhibits the rate law where k = 1.0 × 10–5 M–1 s–1 at 25°C. This reaction is run where the initial concentration of NOBr ([NOBr]0) is 0.30 M. What is one half-life for this experiment? STATE JUST YOUR ANSWER INCLUDING UNITS IN THE TEXT BOX BELOW. Do not show work in the text box.  # your question on scratch paper and label answer,  Include units   If your number is in scientific notation use the superscript or subscript buttons in the task button up in the task bar above. Show all work or receive no credit Show work to webcam upon completion of this problem.  Show units and chemical name or formulas if applicable.   Spelling counts.  Sig Figs will not count unless otherwise stated.  You will be asked to scan all your work at the end of the exam.

The following questions refer to the reaction shown below:       Initial Rate of   Initial [A] Initial [B] Disappearance of A Experiment (mol/L) (mol/L) (mol/L·s) 1 0.16 0.15 0.08 2 0.16 0.30 0.30 3 0.08 0.30 0.08   a.  Write the rate law with the orders of reaction calculated – show work b.  Calculate the rate constant for this reaction – include the units STATE JUST YOUR ANSWER INCLUDING UNITS IN THE TEXT BOX BELOW. Do not show work in the text box.  # your question on scratch paper and label answer,  Include units   If your number is in scientific notation use the superscript or subscript buttons in the task button up in the task bar above. Show all work or receive no credit Show work to webcam upon completion of this problem.  Show units and chemical name or formulas if applicable.   Spelling counts.  Sig Figs will not count unless otherwise stated.  You will be asked to scan all your work at the end of the exam.

Consider the molecule and the following hybridization choices:   What is the hybridization of the oxygen atom?

The vapor pressure of water at 100.0°C is

Calculate the mole fraction of NaCl in a solution prepared by dissolving 117 g NaCl in 1.11 kg H2O.  Molar mass of NaCl = 58.4398 g/mol; H2O = 18.015 g/mol

For the reaction given below, 2.00 moles of A and 3.00 moles of B are placed in a 6.00-L container.           A(g) + 2B(g)  C(g) At equilibrium, the concentration of A is 0.232 mol/L. What is the value of K? STATE JUST YOUR ANSWER INCLUDING UNITS IN THE TEXT BOX BELOW. Do not show work in the text box.  # your question on scratch paper and label answer,  Include units   If your number is in scientific notation use the superscript or subscript buttons in the task button up in the task bar above. Show all work or receive no credit Show work to webcam upon completion of this problem.  Show units and chemical name or formulas if applicable.   Spelling counts.  Sig Figs will not count unless otherwise stated.  You will be asked to scan all your work at the end of the exam.

A sample consisting of CO2(g) and CO2(s) at equilibrium at –78°C and 1 atm pressure is heated to –30°C and the pressure is increased to 8 atm. Based on the phase diagram below, what will happen?

ATTENTION:  GO AND UPLOAD YOUR SCRATCH PAPER INTO THE EXAM #2 UPLOAD WORK HERE SUBMISSION PAGE – FOUND IN THE EXAM MODULE DIRECTLY BELOW THE LINK TO FINAL EXAM.  You have 15 minutes to upload ONE pdf file to the submission page.  No late work submissions will be accepted.   Upload to Final Exam Upload Work Submission Page in the Exam Module   You MUST upload your work or receive no credit for the SHOW WORK problems.

What volume of a 0.687 M solution of CaCl2 contains 1.28 g of solute?