Is it possible to fit more than one? Ten? In the Drops on a Penny Lab (Lab 4)‚ this question was tested. A pipette was used to drop drops of water onto a dry penny. As more drops of water were added to the penny‚ the water molecules seemed to build up. Soon‚ there was a dome of water forming on top of the penny. This is because of hydrogen bonding. More specifically‚ the cohesion and surface tension in hydrogen bonding. Hydrogen bonding
Premium Chemical polarity Atom Water
House‚ 805). Both statements suggest that Nora often spends more money than she should‚ on unnecessary items. As more is learned about Nora‚ it is discovered that she has actually been shopping very wisely in order to save up a little money. Any penny she saved went to pay off a secret loan that Torvald knew nothing about. Nora had procured the loan behind her husband’s back in order to save his life when he had fallen ill eight years prior. She explains‚
Premium Henrik Ibsen A Doll's House Norway
water? In mini-lab 1‚ water was dropped onto the flat surface of a penny until the surface tension of the water was broken. 50 drops were able to be put onto the penny surface‚ with 51 drops of water being the point at which the hydrogen bonds of the water droplets that had created surface tension prior to drop number 51 failed to keep the surface tension‚ and the water spilt over the edges of the penny. This number of drops on the penny‚ 50‚ was possible because of cohesion. Cohesion created surface
Premium Water
Expresiones Coloquiales de Ingles ... y descripcion en español |Ingles |Espanol | |Raining cats and dogs |Lluvia mucha | |Get on like cat and dog |Llevarse como el perro y el gato | |To be the black sheep of the family
Premium Face
Lost Moon: The future of U.S. Manned Spaceflight The National Aeronautics and Space Administration‚ more commonly known as NASA‚ was founded in the midst of war. During the infamous Cold War‚ two global superpowers‚ the United States and the Soviet Union‚ competed for dominance over the other. No such area of competition was as fierce as outer space. Success in the 1960’s was determined largely through technological advances‚ and manned spaceflight was viewed as the pinnacle of technological and
Premium NASA Space exploration United States
They learned that Boo was the one leaving gifts such as gum and pennies for them in the hole of the tree before it got filled in. They were also saved by Boo when Mr. Ewell attacked them. Boo sprang into action and saved the kids by stabbing Mr. Ewell with a knife. It’s ironic that Boo was the one that saved them because the kids were so afraid of him before due to the stories they heard. Finally‚ the most important lesson in the
Premium To Kill a Mockingbird Harper Lee Truman Capote
Chapter 1 In this chapter the Finch family is introduced by Scout. Simon Finch established a homestead‚ ‘Finch’s Landing’‚ on the banks of the Alabama River. Both of his sons ended up leaving the landing as‚ Atticus‚ studied law; the other had studied medicine. Their sister Alexandra stayed and took care of the landing with her husband. Atticus moves to Maycomb‚ Alabama where he raises his two children‚ Scout and Jem. These children have always been fascinated by the Radley house because of the
Premium To Kill a Mockingbird Harper Lee English-language films
Electromagnet (Simple Features and Uses) An Investigatory Project Presented to Basic Education Department University of Perpetual Help GMA In Partial Fulfilment for The Requirements in Physics By: Anjanette L. Pascual Coleen Rose S. Saturnino Veverley Jayris M. Ochavo February 26‚ 2010 Mr. Lemuel F. Valdez Teacher Table of Contents I. Introduction A. Scope and Delimitation II. Statement of the Problem III. Definition of Terms IV. Related Studies
Premium Magnetic field Electromagnetism
include essentially all the atoms in a macroscopic particle‚ it is called macromolecular. Bonding in metallic substances is caused by the free movement of electrons. Materials Test tubes‚ Bunsen burner‚ distilled water‚ thermometer‚ portable ohmmeter‚ penny‚ rubber washer‚ pliers Procedure a. Melting Point A pea-size sample of a substance is taken. If the sample melts between 100° and 300° C‚ it will take more than gentle warming‚ but will melt before the test tube turns the flame of Bunsen burner
Premium Electrical resistance Molecule Chemistry
In “Araby”‚ James Joyce describes how he navigated his journey from dream to reality. A young narrator’s dream was not that he wanted to be loved or admitted by her or date with Mangan’s sister. This reason is found in text “I thought little of the future. I did not know whether I would ever speak to her or not or‚ if I spoke to her‚ how I could tell her of my confused adoration."(Joyce‚1). It was his mission and illusion that Just going bazaar to bring some gifts for Mangan’s sister as a sign
Premium Love Conflict Boy