Chem 107

Lesson 1 Assignment 1.Which of the side by side(p) is a reasonable pile for a teacup: 25 mL, 250 mL, 2.5 L, or 25 L? (3 points) 250mL 2.What is the region of the oceans in square kilometers if the Earths oceans run 3.5 x 108 mi3 of wet and cover an area of 1.40 x 108 mi2? (5 points) 69.71 or 3.626x10^8 km2 Im guessing I cannot traffic pattern it off for the life of me. 3.Identify the following changes as physical or chemical: (2 points each, 6 points total) a.A machine makes a elate from wire by stretching the wire, then cutting it at angles to excogitate the point, and then flattening the other end to form a head. fleshly b.Pulp-free orange juice is prepared by filtering most of the take out magazine from fresh orange juice. Physical c.The compound glycerin, which is employ in lotions, is formed as a by harvest-home during the eagerness of biodiesel fire from waste restaurant oils. Chemical 4.Identify each of the following as a capacity or a as sortment: (3 points each, 12 points total) a.helium fuck up that is used to fill a fly Substance b.the juice that is squeezed from an orange Mixture c.distilled water Mixture d.carbon dioxide gas Mixture 5.An advertisement for shampoos verbalizes that it is pure shampoo, with nothing artificial added. Is this shampoo a join or a mixture? Explain. (10 points) I would say that it is a mixture because take down if it is a natural product it still have more(prenominal) then one substance in it because it has to have a mIxture of pure substance to allow for it to proper peachy and moisturizing of your hair. 6.Which of the following submit elements and which represent compounds? (2 points each, 8 points total) a.Li agents b.CO Compound c.Cf Element d.CF4 Compound 7.For each of the following, express which is the larger unit: (2 points each, 8 points total) a.L or cm3 b.dm3 or mL c.?s or ps d.mg or kg 8.Provide a metric measurement that could be used for each of...If you regard to get! a total essay, order it on our website: OrderEssay.net

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