_________________. These synapses are always (excitatory or inhibitory). Advantages of the electrical synapses: 1. _______ signal conduction 2. _____________ activity for a group of neurons. 6. The chemical synapse: Chemical
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Name: Jayanti Magar Title: Observations of Chemical Changes Date: 02/11/015 Pre Lab Questions: Use what you learned in this lab to answer the following questions. A. Suppose a household product label says it contains sodium hydrogen carbonate (sodium bicarbonate). How would you test this material for the presence of sodium bicarbonate? I would add hydrochloric acid (HCl) with carbon dioxide with NaHCO3‚ and it should bubble and form gas. B. You know what color phenolphthalein and bromothymol
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Chemical Reactions and Equations Chemical Reaction: The transformation of chemical substance into another chemical substance is known as Chemical Reaction. For example: rusting of iron‚ setting of milk into curd‚ digestion of food‚ respiration‚ etc. In chemical reaction new substance is formed which is completely different in properties from the original substance‚ so in a chemical reaction chemical change takes place. Following are the signs of chemical reaction: (a) Change of state of substance
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My Chemical Romance. Gerard‚ Mikey and Frank all had drug problems. Mikey and Gerard‚ on top of that had alcohol problems. They got themselves better. They knew no one else could help them. What encouraged them to get better? Themselves‚ and the music. Ray had the absolutely awful job of having to watch them go through all of this‚ on top of him trying to be the perfect guitarist. Frank would do drugs over the weekend‚ and wake up on Monday not knowing anything that had happened. Mikey felt
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Report Submitted: February 17‚ 2013 Title: Physical and Chemical Properties Purpose: To investigate and learn the physical and chemical properties of pure chemical substances. Procedure: I used various different tools to investigate the different physical and chemical properties‚ such as blue and red litmus papers‚ beakers‚ and wells. Data Tables: Substance Name Color Odor Heat Effect Cold H2O Hot H2O Litmus Test Dilute HCl Dilute NaOH Mg Silver None None None Not soluble‚ small bubbles Red
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2014 Lab report #1 on chemical and physical properties/ changes Introduction Summary: The purpose of this experiment is to allow students to understand how to differentiate physical and chemical properties and reactions of matter by observing changes of matters under circumstances. Physical properties are properties of matter that can be observed without changing the composition of the matter‚ including the volume‚ mass‚ color‚ density‚ and shape of it. Chemical properties include the matter’s
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Shelby Brown 8/28/10 Physical and chemical changes lab essay Changes in matter occur every day. There are two types of ways matter can be altered; physically and chemically. Physical changes do not change the composition of the matter while chemical changes occur when one or more substances turn into a completely new substance. Physical changes can be seen through an altering of the substances physical property. A substances physical property is observed and measured without changing
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Essay title: Assess the usefulness of the functionalist theory theory of the family The functionalist theory portrays the idea that society is built on harmony and consensus which is free from major conflict. Functionalists see the family as one of the most important social institutions as it is beneficial both for the individual and society‚ meeting the needs of society for social order and stability. Murdock agues that the family performs four essential functions which meets the needs of society
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Name: Tom Flannigan Title: Physical and Chemical Properties Purpose: To investigate the chemical properties of pure chemical substances. To investigate the physical properties of pure chemical substances. Procedure: For this lab we used four test tubes and poured equal amounts of a substance in each test tube. We then observed the color and odor. We then heated the substance and recorded the observation. The next tube we added cold water and observed the effects‚ then we heated it
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involves the study of: 1. THE CHEMICAL INDUSTRY 2. CHEMICAL EQUILIBRIUM 3. PRODUCTION OF SULFURIC ACID 4. PRODUCTION OF SODIUM HYDROXIDE 5. SOAP & DETERGENTS 6. THE SOLVAY PROCESS FOR Na2CO3 ...all in the context of the applications of Chemistry in human society. 1. THE CHEMICAL INDUSTRY The “Invisible” Industry Most people are familiar with some aspects of the production and manufacture of the many goods we need and use every day‚ but do not understand the vast chemical industry which underlies it
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