Continued from Question 1: Proteins are most likely encoded by which of the populations of DNA fragments indicated by X, Y and Z in the figure?

Calculate the molar mass of a sample if a single molecule weighs 4.55 × 10–23 g 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.

Adipic acid contains 49.32% C, 43.84% O, and 6.85% H by mass. What is the empirical formula?   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.

Question #1 on the exam will be a link to the periodic table sheets.  Click on link to open the sheets. Do not write an answer for this question.  The exam will tell you that you have missed answering 1 question – ignore it.   https://drive.google.com/file/d/1csEjC3sGQbBttcAghk_LRfVOGjnbkGCO/view To toggle between the exam and the periodic table sheets, CTRL key 1 to open exam page, CTRL 2 to open periodic table pages.      Go to questions 12-18 the SHOW WORK problems FIRST and do those problems first because you can get partial credit.     DO NOT UPLOAD ANY FILES HERE.  UPLOAD YOUR SHOW WORK PAGES IN THE SUBMISSIONS PAGE IN THE EXAM MODULE

Refer to the following equation:    a.  (4 points)  Balance the reaction equation:  ___________ NH3 (g)  + ____________ O2 (g) –> _____________ H2O (g)  + ____________ NO2 (g)   b.  (7 points) How many grams of H2O are produced when 2.33 x 10 22 molecules of NH3 are completely reacted?   Molar mass of NO2 = 46.005 g NO2/mol NO2  ; Molar mass NH3 = 17.031 g NH3  /mol NH3; Molar mass of O2 = 31.998 g O2/mol O2;  Molar mass H2O = 18.015 g H2O/ mol H2O   c.   (7 points) How many grams of NO2 are produced when 5.77 mol of NH3 is completely reacted? Molar mass of NO2 = 46.005 g NO2/mol NO2  ; Molar mass NH3 = 17.031 g NH3  /mol NH3; Molar mass of O2 = 31.998 g O2/mol O2;  Molar mass H2O = 18.015 g H2O/ mol H2O   STATE JUST YOUR ANSWER INCLUDING UNITS IN THE TEXT BOX BELOW.  Part a) write the coefficients separated by commas such as 1,1,1,1 and Part b & c write the answer including units and chemicals in the text box here. 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 left cerebral hemisphere is usually dominant.

Figure 12.1Using Fig. 12.1, Match the following:Corpus Callosum

The free energy change is negative indicating a spontaneous process at all temperatures for which of these?   deltaG = deltaH  – TdeltaS

Those substances that are of interest or which are under investigation in a thermodynamic process are called which of these?  

What is the molecular geometry of AsCl3? (Not the VSEPR electronic geometry which is used to find it.)