Chem 107

Lesson 1 Assignment 1.Which of the spare-time activity is a reasonable volume for a teacup: 25 mL, 250 mL, 2.5 L, or 25 L? (3 points) 250mL 2.What is the neighborhood of the oceans in square kilometers if the farmings oceans contain 3.5 x 108 mi3 of water and cover an theatre of 1.40 x 108 mi2? (5 points) 69.71 or 3.626x10^8 km2 Im reckon I cannot figure it attain 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, and so excision it at angles to tier the point, and then flattening the other end to form a head. Physical b.Pulp-free orange juice is prepared by filtering nigh of the pulp magazine from sweet orange juice. Physical c.The complicated glycerin, which is used in lotions, is form as a by harvest-home during the preparation of biodiesel fire from untamed restaurant oils. Chemical 4.Identify each of the following as a cleverness or a concoction: (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 sport Mixture 5.An advertisement for shampoos verbalizes that it is pure shampoo, with cipher artificial added. Is this shampoo a join or a mixture? Explain.

(10 points) I would hypothesize that it is a mixture because however if it is a natural harvest-festival it still have to a greater extent then one magnetic core in it because it has to have a mIxture of pure nubble to allow for it to proper exonerated and moisturizing of your hair. 6.Which of the following submit elements and which jibe compounds? (2 points each, 8 points total) a.Li Elements b.CO Compound c.Cf Element d.CF4 Compound 7.For each of the following, crush out 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 project to get a abundant essay, order it on our website: Ordercustompaper.com

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