In Mexico there are a lot of famous dishes‚ but some of them don’t have a history behind them. Well in this case mole actually has a history to show. Here you will know how the famous dish of mole started‚ the different kinds of mole and how you prepare mole. Many years ago in the city puebla mexico the famous dish of mole was created. Mole was created by nuns to welcome the archbishop. The nuns didn’t have any food to welcome the archbishop they were so desperate they wouldn’t find something to
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by different limiting reactants. A precipitate results in a solid formed by an ionic compound. Calcium nitrate and copper sulfate will be added to separate beakers with approximately half of the solutions from the Büchner funnel system of each trial to test for the formation of precipitates. The limiting reactant is the reactant that will run out first in the chemical reaction. It is important to recognize which chemical or compound is the limiting reactant because the reactant in short supply limits
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relationship between moles evolved and consumed. This can be demonstrated by measuring the hydrogen gas evolved by performing a chemical experiment when hydrochloric acid reacts with the magnesium. The formulated reaction includes; Mg + 2HCl → H2 + Mg2+(aq) + 2Cl- (aq) The major findings contributing to the experiment is being able to determine and distinguish what moles have evolved thus being the hydrogen moles evolved allowing the magnesium to be consumed within the reaction. Procedure
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experiment‚ limiting reactant affect the “amount of the product.” In the other way‚ the product this reaction produce dependent on the limiting reactant. For example‚ 1000kg O2 and 1 gram H2 to form water. In this case‚ the 1 gram of H2 will be the limiting reactant. Same thing in displacement reactant. If one of the reactants is (Mole) less than the other one‚ then that reactants becomes the limiting reactants. Once the limiting reactants will completely be ran out of‚ the reaction is done. So the limiting
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I.Introduction Hydatidiform mole is a tumor that forms in the uterus as a mass of cystsresembling a bunch of grapes. Hydatidiform moles occur during the childbearing years‚ and they do not spread outside the uterus. However‚ a malignancy called choriocarcinoma may start from a hydatidiform mole. In its early stages‚ a hydatidiform mole may look like a normal pregnancy. Diagnosis is based on a history of lack of fetal movement‚ a pelvic examination‚ an ultrasound‚ and a blood test
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normal pregnancy progress into a pathological one. It is characterized by the presence of a hydatidiform mole‚ which the chorionic villi around the fetus degenerate and form clusters of fluid-filled sacs‚ resulting in tumor growth that forms in the uterus as a bunch of cysts resembling grape-like vesicles that are visible to the naked eye. Hydatidiform mole (also known as hydatid mole or mola hydatidosa) is type a gestational trophoblastic disease that results from over-production of the tissue
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Physical and Chemical Reactions Lab #4 Alesa Cannon Objective: To investigate the physical and chemical properties of a pure chemical substance. Procedure: 1. Half-fill one well of a 24-well plate with 6 M HCl and half-fill a second well of the 24-well plate with 6 M NaOH. Suck up these chemicals into their labeled pipets for later use. 2. Perform the following steps on each of the substances to be tested. Complete all tests of one substance and record your observations before proceeding
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Effect of Temperature on Solubility of a Salt Ahmed Mohammed 17-nov-2013 Abstract In this experiment‚ you will study the effect of changing temperature on the amount of solutet will dissolve in a given amount of water. In this experiment‚ you will completely dissolve different quantities of potassium nitrate‚ KNO3‚ in the same volume of water at a high temperature. As each solution cools‚ you will monitor temperature using a computer-interfaced Temperature Probe and observe
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March 18‚ 2012 Title: Types of Chemical Reactions Data: Reaction Observations Evidence #1 It turned a reddish brown and the liquid went clear. The color change proved it was a chemical change. #2 The reaction turned yellow and it separated and created a fog. The solid formed precipitation and had a color change during the reaction proving it to be a chemical change. #3 There was green smoke and the crystals turned black. The green liquid turned dark green and continued to sizzle with
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Mike Morrison – SCH3U Types of Chemical Reactions Lab Intro/Purpose The purpose of this lab is to determine types of reactions with only the reactants and through observation. Through observing the experiments‚ one is able to see a visual of each type of reaction taking place and it gives them a better understanding of how chemical reactions work and what products they may form. Materials & Procedure Materials: * Wood Splints - Copper Sulfate * Sodium Sulfate - Copper
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