Question 14 and 15 short answers please rmat ToolsAdd-ons Help AccessibilityLast edit was 7 minutes agoNormal textOpen Sans12I U14. Calcium Chloride (CaCl,): A salt that is the source of calcium ions for our bodyLewis Diagram for CaLewis Diagram for ClLewis Model of CaCl,Explain how the location of calcium andchlorine on the Periodic table explains whyeach atom of calcium bonds with two atomsofoxygen.15. Write a Claim/Evidence/Reasoning response to answer the question: What state ofmatter would you expect to find this substance (calcium chloride) in "the Goldilocks Zone"?Start with a claim that directly answers the question. Then, use the melting and boiling pointdata from the previous lesson as evidence and your models above to help with yourreasoning, Your paragraph should have at least three sentences.16. Magnesium Oxide (MgO): A source of magnesium needed for nerve and muscle function,keeping our heartbeat steady, and supporting a healthy immune system.!!

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Energy is required to remove two electrons from Ca to formCa2+, and energy is required to add two electrons to O toform O2 - . Yet CaO is stable relative to the free elements.Which statement is the best explanation? (a) The latticeenergy of CaO is large enough to overcome these processes.(b) CaO is a covalent compound, and these processes areirrelevant. (c) CaO has a higher molar mass than either Ca orO. (d) The enthalpy of formation of CaO is small. (e) CaO isstable to atmospheric conditions.
A paper published in the research Journal Science in 2007 (S. Vallina and R. Simo, Science, Vol. 315, p. 506, January 26, 2007) reported studies of dimethylsulfide (DMS), an important green-house gas that is released by marine phytoplankton. This gas represents the largest natural source of atmospheric sulfur and a major precursor of hygroscopic (i.e., cloud-forming) particles in clean air over the remote oceans, thereby acting to reduce the amount of solar radiation that crosses the atmosphere and is absorbed by the ocean. (a) Sketch the Lewis structure of dimethylsulfide, CH3SCH3, and list the bond angles in the molecule. (b) Use electronegativities to decide where the positive and negative charges lie in the molecule. Is the molecule polar? (c) The mean seawater concentration of DMS in the ocean in the region between 15 north latitude and 15 south latitude is 2.7 nM (nanomolar). How many molecules of DMS are present in 1.0 m3 of seawater?
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14. Calcium Chloride (CaCl,): A salt that is the source of calcium ions for our body Lewis Diagram for Ca Lewis Diagram for Cl Lewis Model of CaCl, Explain how the location of calcium and chlorine on the Periodic table explains why each atom of calcium bonds with two atoms of oxygen.