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Lab Exam 1
| Question | Answer |
|---|---|
| the metric system is based on multiples of | 10 |
| the basic metric unit for length is | meter |
| the basic metric unit for weight(mass) | grams |
| the basic metric unit for volume | liter |
| converting m to cm move decimal | 2 spaces |
| converting m>2 to cm>2 move decimal | 4 spaces |
| converting m>3 to cm>3 move decimal | 6 spaces |
| Give the equation to convert Fahrenheit temp to celsius | C=5/9(F-32) |
| give the equation to convert celsius to Fahrenheit | F= 9/5 C+ 32 |
| what temp do the celsius and Fahrenheit scales give the exact same reading? | -40 degrees |
| the ability of water to move up a polar tube | capillary action |
| a material will dissolve in water only if it is | polar |
| A water molecule is polar because of the irregular distribution of what subatomic particles? | electrons |
| The tendency of water to behave as if surrounded by a membrane is called | surface tension |
| mixing water with non polar material requires | surfactant |
| the synthetic creation that results in the production of water is | dehydration synthesis |
| the degradative reaction necessary to undue the reaction in a above is | hydrolysis |
| the covalent bond between two amino acids in a dipeptide is called | peptide bond |
| the monomeric unit for carbohydrates is | monosacaride |
| occurs because water is attracted to other substances other than itself | adhesion |
| water has surface tension because water is attracted to water a trait called | cohesion |
| would liquified plastic dissolve in water? | no |
| material that mix in water are called - because of their "love" for it | hydrophilic |
| Humans cannot walk on the surface tension of water because of their | weight |
| what affect does soap have on their surface tension of water | it breaks through it |
| Soap has a peculiar effect on surface tension of water it is called a | surfactant |
| Metric units | K H Da M D C M - - U |
| amount of heat required to change 1 gram of a substance by 1 C | specific heat |
| the cooling effect on vaporization of water from a body surface | evaporation cooling |
| two alpha glucose molecules bond to yield maltose and one molecule of water | disaccharides |
| a triple alcohol and is the backbone of lipids | glycerol |
| are substances like fats, oils, and waxes | lipids |
| are compounds containing an amine group and a carboxyl attached to the same carbon | amino acids |
| amino acids combine to form | proteins |
Created by:
esenkbeil
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