Practice Sheet Electron Dot Lewis Structures A Lewis or Electron Dot Structure is a convenient representation of the valence electrons in an atom An electron dot structure for an atom is simply the symbol for the element surrounded by a number of dots equal to the number of valence electrons. Practice drawing Lewis dot structures and identifying molecule geometries with this worksheet Follow the steps to find the valence electrons arrange the atoms and apply the octet rule for each molecule or polyatomic ion
2 ethyl 3 methylpentanoic acid 13 3 nitro 4 hexenoic acid or 3 nitrohex 4 enoic acid 14 cis 4 5 dichloro 4 heptenoic acid For each of the following name the functional group and state the type of organic compound. Functional groups alcohol ether aldehyde ketone carboxylic acid ester amide and amine For each molecule circle and name the functional group Some molecules will have more than one functional group in those cases circle and name all functional groups present
Find the slope of a line perpendicular to each given line 13 x y 0 14 x 2y 6 Write the slope intercept form of the equation of the line described 15 through 4 1 parallel to y 3 4 x16 through 4 5 parallel to y 1 4 x 4 17 through 2 5 parallel to y x 318 through 4 4 parallel to y 3 19 through. Find the slope of a line parallel to each given line Find the slope of a line perpendicular to each given line 169 A 2y0H1E7R NKHuLtoaZ KSxocfstRwWaYrUeo RLULAC Q nADlQlz rdiUgVhet sX lrqeisneBrRv eYd j 1 h aMTaMdAeH lwMixtkht qItnif ignjiAtyeL SA lggLe bprCaU W1j Write the point slope form of the equation of the line described
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2 4 Function Compilations Piecewise Combinations and Composition 2 4e Exercises Piecewise Functions Combinations Composition How do you graph a piecewise function Answers 1 5 1 Find the numbers that make the function in the denominator g equal to zero and check for any other domain restrictions on f and g such as. This problem has been solved You ll get a detailed solution from a subject matter expert that helps you learn core concepts Question Math 2 Name Piecewise Functions Worksheet 2 Part I Graph each of the following piecewise functions Identify any points of discontinuity x 5 if x 2 1 f x 4 if X2 2 10 8 6 2 10 2 2x 1 if x 1 f
For a square pyramid the slant height is the length of the hypotenuse of a right triangle formed by the height of the pyramid and half of the length of the base The Rainforest Pyramid on Galveston Island in Texas is one example of how pyramids are used in architecture. Pyramid A polyhedron in which the base is a polygon and the lateral faces are triangles that have a common vertex The intersection of two lateral faces is a lateral edge The intersection of the base and a lateral face is a base edge The altitude height of the pyramid is the perpendicular distance between the base and the vertex
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What are the units for heat of fusion What are the units for heat of vaporization If 2083 Joules are used to melt 5 26 grams of aluminum what is the heat of fusion of aluminum If the same amount 5 26 g of zinc is melted it takes 579 Joules to completely melt the sample. Molar Heat of Fusion and Molar Heat of Vaporization Worksheet 100 0 176 C Calculate the heat needed to change 75 0 grams of ice at 40 0 176 C to water at 20 0 176 C The amount of heat required is equal to the sum of these three steps
Answer the following questions 1 How many atoms are in 6 28 moles of aluminum 2 How many atoms are in 90 43 moles of copper 3 How many atoms in 7 64 moles of barium 4 How many molecules in 3 72 moles of sulfur dioxide 5 78 54 g of nitrogen dioxide contain how many molecules 6. Use a separate piece of paper show all work and circle your final answer Attach this sheet to your work Set A One Step Problems Convert to moles 12 04 x 1023 atoms He 3 01 x 1023 atoms Cu 3 612 x 1023 atoms Fe 100 atoms Ar 1 atom S 24 grams C 59 3 grams Sn 98 9 grams Na 5000 grams K 0 005 grams Ne Convert to mass in grams
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RI 11 12 6 Determine an author s point of view or purpose in a text in which the rhetoric is particularly effective analyzing how style and content contribute to the power persuasiveness or beauty of the text. The following are some questions you should ask while reading the story to identify the author s point of view What is the author s voice Is there a specific tone the author is going for here What is the reader s emotional response to the text In what ways are the connotative and denotative meanings of a word different Is there
12 Sara puts 4 000 into an investment yielding 5 annual simple interest she left the money in for five years How much interest does Sara get at the end of those five years. Percy invests 163 2000 for 4 years in a savings account that pays simple interest At the end of the 4 years Percy has 163 2140 in the account Work out the annual rate of simple interest