# Discuss the difference in the shapes of s and p orbitals

Part 1 of 5 -Please show as much work as possible for full credit. Question 1 of 165.0 Points(a) Discuss the difference in the shapes of s and p orbitals. (b) How many electrons does each orbital hold? (c) Which of these orbitals do electrons occupy first? (d) Which of these orbitals has the electrons with the highest energy assuming both orbitals are in the same energy level? Be sure to base your answer on what we discussed in THIS class and use the terminology from the materials in THIS course. Your answer must be sufficiently detailed to receive credit and properly labeled according to the letters above. Question 2 of 165.0 PointsDiscuss the importance of the octet rule in this lesson. What is it? Why is it important relative to what we learned in this lesson? Are there any exceptions to this rule? If so explain in detail. Be sure to base your answer on what we discussed in THIS class and use the terminology from the course materials. Part 2 of 5 -Question 3 of 165.0 PointsIf I have a tank that is holding 1 692 g of propane gas (C3H8) with a pressure of 828.85 psi at a temperature of 345.15 K what is the volume? You must show all work to receive credit. Question 4 of 165.0 PointsCalculate the final temperature of a gas if 25.0 L of the gas at 25 degrees C and 1.00 atm is compressed into a volume of 2.50 L at a pressure of 5.0 atm. You must show all work to receive credit. Question 5 of 165.0 PointsWhat is the amount in moles of nitrogen gas found in a 79.4 L compressed gas tank that has a pressure 89.3 atm at 357 K? You must show all work to receive credit. Question 6 of 165.0 PointsWhat is the temperature of a 926 L compressed gas tank that contains 64.1 mol of carbon monoxide at a pressure of 38.1 atm? You must show all work to receive credit. Part 3 of 5 -Question 7 of 165.0 PointsPART 1: How many milliliters of concentrated NaOH (19.3 M) are needed to make the following amounts of base? You must show all work in detail to receive credit. (a) 8.00 L of 0.250 M (b) 300 mL of 3.00 M (c) 0.250 L of 0.125 M (d) 10.0 mL of 0.01000 M. PART 2: Explain in detail how you would go about making the solution in letter (a) above. Include all detail and terminology as discussed in the Lesson materials. Question 8 of 165.0 PointsPART 1: How many milliliters of concentrated HCl (12.1 M) are needed to make the following amounts of acid? You must show all work in detail to receive credit. (a) 5.00 L of 0.100 M (b) 1.00 L of 6.00 M (c) 2.00 L of 3.00 M (d) 100 mL of 0.100 M. PART 2: Explain in detail how you would go about making the solution in letter (a) above. Include all detail and terminology as discussed in the Lesson materials. Question 9 of 165.0 PointsCalculate the molarity (M) for each of these solutions–you must show all work in detail to receive credit: (a) 121.45 g of KOH in 100.0 mL (b) 23.49 g of NH4OH in 150.0 mL (c) 217.5 g of LiNO3 in 1.50 L (d) 15.25 g of Pb(C2H3O2)2 in 50.0 mL Question 10 of 165.0 PointsDetermine the molality (m) of an aqueous ethylene glycol (antifreeze) solution (C2H6O2) under the following conditions: (a) boiling point = 120.0 degrees C (b) freezing point = -10.0 degrees C (c) freezing point = -15.5 degrees C. (Kb for water = 0.512 C*kg solvent/mol solute; Kf for water = 1.86 C*kg solvent/mol solute; all numbers immediately following elemental symbols are to be understood as subscripts). You must show all work in detail to receive credit. Part 4 of 5 -Question 11 of 165.0 PointsWhat are the three distinct regions of an amino acid? What distinguishes one amino acid from another? You must provide sufficient detail in your answer and incorporate information from the course materials to receive credit. Question 12 of 165.0 PointsName the following compounds according to what you learned in this Lesson. You must spell all names correctly and explain how you arrived at your answers in order to receive credit: Question 13 of 165.0 Points(1) Why is DNA classified as a polymer? What are the monomers? (2) What force holds together the strands of DNA? Why would covalent bonding be problematic? You must provide sufficient detail in your answer and incorporate information from the course materials to receive credit. Question 14 of 165.0 Points(1) What is meant by the primary structure of a protein molecule? How does it differ from the secondary structure of a protein? (2) How are secondary protein structures held together? (3) Discuss the importance of the tertiary and quaternary structures of proteins. Do all proteins have primary secondary tertiary and quaternary structures? Explain. You must provide sufficient detail in your answer and incorporate information from the course materials to receive credit. Part 5 of 5 -Question 15 of 1615.0 PointsVinegar which is just a dilute acetic acid solution is very common and versatile. The concentration of store-bought vinegar around a 5.0 % solution by mass and its density is approximately 1.01 g/mL.(a) Suppose I dilute this vinegar into a bottle to 3 parts water 1 part vinegar (in other words I make a solution that is 25% as strong as it was) . Determine the molarity of this new vinegar solution.(b) If I use 2 cups (473.2 mL) of this new vinegar solution from part (a) to help create a cleaning solution for my windows how many molecules of acetic acid is this?(c) How many atoms of carbon are in 2 cups of this new vinegar you made in part (a)?All work must be shown labeled and explainedin detail to receive credit. Note that superscripts (X2) can be written as X^2 and subscripts (X2) can be written as X_2 if it saves you time. Be careful to account for significant figures in your final answers. Question 16 of 1615.0 Points(1) Write and balance the full chemical equation for the reaction between lead (II) nitrate and manganese (IV) chloride.(2) How much 0.175 M lead (II) nitrate solution in liters is required to completely precipitate all the chloride ions (in other words react completely with) in 0.075 L of 0.125 M manganese (IV) chloride solution?All work must be shown labeled and explainedin detail to receive credit. Note that superscripts (X2) can be written as X^2 and subscripts (X2) can be written as X_2 if it saves you time.

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