Lab experiment – Gases College Chemistry I – Chem. 1806 Lab Report 7 assignment 1. Complete the following data table. (10 points) Data Table 1 Step/Reaction Observations Reaction between zinc and hydrochloric acid Click or tap here to enter text. Hydrogen gas + Flame Click or tap here to enter text. Reaction that occurs […]
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Net Ionic Eqaution Part I: Changes in Reactant or Product Concentrations A. Copper and Nickel Ions Observed colors of the solutions: Copper (II) Ions Nickel (II) Ions CuSO4(aq): clear, light blue NiCl2(aq): clear, light teal [Cu(NH3)4]2+(aq): clear, dark blue [Ni(NH3)6]2+(aq): cloudy (precip), dark blue/green After HCl addition: produced heat and formed water vapor After HCl
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DETERMINATION OF PERCENT KHP AND ACID EQUIVALENT WEIGHT Titration is a process of mixing measured volumes of reacting solutions in such a manner that one can determine when chemically equivalent amounts of reactants are mixed. One of the purposes of the titration process is to determine the concentration of a solute in a solution. Additionally,
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Separation of a Mixture of Solids Read the entire experiment and organize time, materials, and work space before beginning. Remember to review the safety sections and wear goggles when appropriate. Objective: To become familiar with the separation of mixtures of solids. Materials: Student Provides: Distilled water 2 Coffee cups 2 Small paper or Styrofoam® cups
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Critical Thinking – Philosophy To complete this assignment, you need to have read chapter12, on the principles of aesthetic value. you should also complete the SoftChalk lesson on Aesthetic Reasoning before attempting this assignment. The goal of this assignment is to demonstrate that you can use aesthetic principles in your own reasoning, and to look
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molecule is best described as a: CH3—CH2—CH2—CH2 Lesson 1 Exam Question 1 5 / 5 points 1. Which of these would be a valid hypothesis? Question options: Human history is determined by a series of supernatural events. Humans should help in the conservation of other animal species. Humans are controlled by forces beyond our understanding.
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Multiple choice chemistry questions Directions: Please highlight or bold the correct answer. 1. Using the principles of stoichiometry, determine the second product from the reaction: 2 C7H6O3 + C4H6O3 -> 2 C9H8O4 + ___________. a. H2O b. 2 H2O c. 1/2 H2O d. nothing e. cannot be determined 2. For the previous reaction, if
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Introduction and Measurement Answer all assigned questions and problems, and show all work. 1. Do the following statements describe chemical or physical properties? (10 points) a. Oxygen gas supports combustion. b. Fertilizers help to increase agricultural production. c. Water boils below 100°C on top of a mountain. d. Lead is denser than aluminum. e. Uranium
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Capstone Project Part III: Strategic Issues Review Final Project: Developing a Strategic Plan –S.W.O.T Analysis media in the Weekly Resources. Consider the strengths, weaknesses, opportunities, and challenges related to your Capstone Project agency, organization, or community. Think about the environmental factors you might review in preparation for addressing the strategic issues component for your Capstone
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Program Evaluation Step 1: Review the materials related to program evaluation in the Reading & Study folder found in Module/Week 4. Step 2: Choose 1 of the websites for an addiction programs below and review the program content on that site. Prepare/Enrich Group Program Elements Behavioral Health Creating Extraordinary Lives The River Source Timberline Knolls
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