Concept explainers
Open the Build a Molecule simulation (http://openstaxcollege.org/l/16molbuilding) and select the “Larger Molecules” tab. Select an appropriate atoms “Kit” to build a molecule with two carbon and six hydrogen atoms. Drag atoms into the space above the “Kit” to make a molecule. A name will appear when you have made an actual molecule that exists (even if it is not the one you want). You can use the scissors tool to separate atoms if you would like to change the connections. Click on “3D” to see the molecule, and look at both the space-filling and ball-and-stick possibilities.
- Draw the structural formula of this molecule and state its name.
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Chapter 2 Solutions
Chemistry by OpenStax (2015-05-04)
Additional Science Textbook Solutions
Chemistry: A Molecular Approach
Chemistry: Structure and Properties (2nd Edition)
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- Open the Build a Molecule simulation (http://openstaxcollege.org/l/16molbuilding) and select the Larger Molecules tab. Select an appropriate atoms Kit to build a molecule with two carbon and six hydrogen atoms. Drag atoms into the space above the Kit to make a molecule. A name will appear when you have made an actual molecule that exists (even if it is not the one you want). You can use the scissors tool to separate atoms if you would like to change the connections. Click on 3D to see the molecule, and look at both the space-filling and ball-and-stick possibilities. Draw the structural formula of this molecule and state its name. Can you arrange these atoms in any way to make a different compound? 36. Use the Build a Molecule simulation (http://openstaxcollege.org/l/16molbuilding) to repeat Exercise 2.34, but build a molecule with three carbons, seven hydrogens, and one chlorine. Draw the structural formula of this molecule and slate its name. Can you arrange these atoms to make a different molecule? If so, draw its structural formula and state its name. How are the molecules drawn in (a) and (b) the same? How do they differ? What are they called (the type of relationship between these molecules, not their names)?arrow_forwardClick on the site (http://openstaxcollege.org/l/16PhetAtomMass) and select the Mix Isotopes tab, hide the Percent Composition and Average Atomic Mass boxes, and then select the element boron. Write the symbols of the isotopes of boron that are shown as naturally occurring in significant amounts. Predict the relative amounts (percentages) of these boron isotopes found in nature. Explain the reasoning behind your choice. Add isotopes to the black box to make a mixture that matches your prediction in (b). You may drag isotopes from their bins or click on More and then move the sliders to the appropriate amounts. Reveal the Percent Composition and Average Atomic Mass boxes. How well does your mixture match with your prediction? If necessary, adjust the isotope amounts to match your prediction. Select Nature’s mix of isotopes and compare it to your prediction. How well does your prediction compare with the naturally occurring mixture? Explain. If necessary, adjust your amounts to make them match Nature’s amounts as closely as possible.arrow_forwardClick on the site (http://openstaxcollege.org/l/16PhetAtomMass) and select the Mix Isotopes tab, hide the Percent Composition and Average Atomic Mass boxes, and then select the element boron. Write the symbols of the isotopes of boron that are shown as naturally occurring in significant amounts. Predict the relative amounts (percentages) of these boron isotopes found in nature. Explain the reasoning behind your choice. Add isotopes to the black box to make a mixture that matches your prediction in (b). You may drag isotopes from their bins or click on More and then move the sliders to the appropriate amounts. Reveal the Percent Composition and Average Atomic Mass boxes. How well does your mixture match with your prediction? If necessary, adjust the isotope amounts to match your prediction. Select Nature’s mix of isotopes and compare it to your prediction. How well does your prediction compare with the naturally occurring mixture? Explain. If necessary, adjust your amounts to make them match Nature’s amounts as closely as possible. 21. Repeat Exercise 2.20 using an element that has three naturally occurring isotopes.arrow_forward
- Reference Section 5-2 to find the atomic masses of 12C and 13C, the relative abundance of 12C and 13C in natural carbon, and the average mass (in u) of a carbon atom. If you had a sample of natural carbon containing exactly 10,000 atoms, determine the number of 12C and 13C atoms present. What would be the average mass (in u) and the total mass (in u) of the carbon atoms in this 10,000-atom sample? If you had a sample of natural carbon containing 6.0221 1023 atoms, determine the number of 12C and 13C atoms present What would be the average mass (in u) and the total mass (in u) of this 6.0221 1023 atom sample? Given that 1 g = 6.0221 1023 u, what is the total mass of I mole of natural carbon in units of grams?arrow_forwardLook around you and identify several objects that you think are probably made from polymers.arrow_forwardHow would you go about finding the number of chalk molecules it takes to write your name on the board? Provide an explanation of all you would need to do and a sample calculation.arrow_forward
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- What is the difference between molecular compound and ionic compound? Cite some examples that can be found in our home.arrow_forwardUse the References to access important values if needed for this question. Complete the table below for calculating the formula mass of the ionic compound iron(II) chloride . Ion Formula Atomic Mass Number of ions Mass of Ions Cation Fe2+ amu X amu Anion CI amu X amu formula mass iron(II) chloride = amu Submit Answer Retry Entire Group 3 more group attempts remaining Show Hint Cengage Learning | Cengage Technical Support MacBook Pro Q Search Bing 2$ % &arrow_forwardMatter Survey The purpose of this survey is to find out how much you already know about basic chemistry (you may surprise yourself!). Do your best! You will get full points just for submitting this survey, regardless of how well you do on it. Part 1: Vocabulary Define the following terms: (from what you remember from middle school) Matter: Atom: Molecule: Refer to a Periodic Table as needed for the questions in Parts 2-4 Part 2: Interpreting the Periodic Table 1. Give the names of the elements that correspond to the following elemental symbols: Be: Ge: 2. Give the elemental symbols that correspond to the following elements: Carbon: Copper Magnesiu m: 3. The following elements – fluorine, chlorine and bromine – are in the same (Pick one of these choices: group, period, energy level or all of the above) Part 3: Atomic Structure 1. What is the atomic mass of the following elements Calcium: Boron: Chlorinearrow_forward
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