QUIZ PROBLEM #4 Instructions: Type your answer to the…
QUIZ PROBLEM #4 Instructions: Type your answer to the question in the textbox below. Show all work on your “work” page. Label which problem it is (#4). Question: You mix 268 mL of a magnesium nitrate solution with enough water to create 5.75 L of a solution that is 0.109 M in Mg(NO3)2. What was the molarity of the original magnesium nitrate solution?
Read DetailsQUIZ PROBLEM #1 Instructions: Select your answers fro…
QUIZ PROBLEM #1 Instructions: Select your answers from the dropdown lists. Note: It is not possible to format superscripts or degree signs in the answer choice lists. There is no need to write anything on your “work” pages. But if you do, include that with your scanned pages that you submit later. Questions: Answer the questions below for the molecule shown here: A. How many sigma bonds are there in this molecule, in total? [sigmatotal] B. How many pi bonds are there in this molecule, in total? [pitotal] C. Consider just the C atom for these questions: What type of hybrid orbital is it using for its sigma bonds? [Csigma] What is the angle between its sigma bonds? [Cangle] What is the name of its molecular geometry? [Cgeometry] D. Consider just the N atom for these questions: What type of hybrid orbital is it using for its sigma bonds? [Nsigma] What is the angle between its sigma bonds? [Nangle] What is the name of its molecular geometry? [Ngeometry]
Read Details“Light and dark.” The technique of blending values to show t…
“Light and dark.” The technique of blending values to show the bending of light around a form in order to represent the illusion of three dimensions on a two-dimensional surface. Leonardo da Vinci is considered to have perfected the technique. Also used by Rembrandt.
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