Drops Of Liquid On a Penny

Drops of Liquid on a Penny Introduction: This sample demonstrates the intermolecular forces in the midst of molecules of a substance. These forces are accountable for the observed bug out tension in liquids. open tension is the phenomenon where strong forces betwixt molecules cause the surface of a liquid to contract. Intermolecular forces outcome from the types of atoms bonded to get toher in the complicated and the constitute of the molecule. When two divers(prenominal) atoms are bonded together, each attracts the electrons differently uniform a tug-of-war between two unequal teams, producing a dipole. The overconfident fibre of peerless molecule is then attracted to the negative part of a nonher molecule. The shape of a molecule also contributes to the governance of a dipole. Molecules containing triplet or more atoms may be linear in shape or stage set. Depending on how symmetrical or how bent the molecule is, the formation of a dipole in molecules go out differ. Materials: 4 disposable pipettes 4 pennies Water Rubbing alcohol vegetable fossil oil Safety goggles Paper towels Gloves Procedure: 1.Clean a cent using water and a paper towel. Do not use soap! 2.Place the penny on a flat surface. 3.Draw up water into the disposable pipet until the pipet is lavish. 4. safekeeping the disposable pipette coda to the surface of the penny, carefully pipet water firelets onto the penny dropwise, ascertain each drop. a.Hold pipet farthest enough away so the droplets have a piddling distance to fall. b.Droplets should pond up on the penny, creating a bountiful droplet of water. c.Make certain(a) you keep an accurate press of drops. 5.Record your observations of the appearance of the droplet on the penny. 6.Stop pipetting when the droplet on the penny breaks and overflows. a.The count for each running play is the turning of drops the penny could hold, so do not count the drop placed on the penny which caused the overflow. 7.Repeat travel 1 to! 6 using water until you have 3 water trials. 8.Repeats steps 1 to 6 using...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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