Chemistry I Laboratory Manual, 2021 Revision6) Demonstration: Your instructor will demonstrate the reaction that takes placebetween potassium metal and water. The demonstration will include a test of theresulting solution with universal indicator.Evidence of a chemical reaction:Balanced chemical equation:57Part D- Double Replacement Reactions:In this section, it is important to observe the mixtures you make very carefully. You arelooking for the formation of either a precipitate or a gas. If the mixture gets cloudy, thatis an indication that a precipitate has formed.1) Get two medium test tubes. Into one, place about 2 mL of a solution of bariumchloride. Into the other add about 2 mL of copper(II) sulfate solution. Note theappearances of the two solutions and then mix them together noting any changes that

First write the reaction between potassium metal and water. Then check the observation in that…

Chemistry I Laboratory Manual, 2021 Revision 6) Demonstration: Your instructor will demonstrate the reaction that takes place between potassium metal and water. The demonstration will include a test of the resulting solution with universal indicator. Evidence of a chemical reaction: Balanced chemical equation: 57

Chemistry I Laboratory Manual, 2021 Revision 6) Demonstration: Your instructor will demonstrate the reaction that takes place between potassium metal and water. The demonstration will include a test of the resulting solution with universal indicator. Evidence of a chemical reaction: Balanced chemical equation: 57

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

Chemistry I Laboratory Manual, 2021 Revision
6) Demonstration: Your instructor will demonstrate the reaction that takes place
between potassium metal and water. The demonstration will include a test of the
resulting solution with universal indicator.
Evidence of a chemical reaction:
Balanced chemical equation:
57
Part D- Double Replacement Reactions:
In this section, it is important to observe the mixtures you make very carefully. You are
looking for the formation of either a precipitate or a gas. If the mixture gets cloudy, that
is an indication that a precipitate has formed.
1) Get two medium test tubes. Into one, place about 2 mL of a solution of barium
chloride. Into the other add about 2 mL of copper(II) sulfate solution. Note the
appearances of the two solutions and then mix them together noting any changes that

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Write balanced chemical equations for each of the acid-base reactions described below. a) Aqueous solutions of HClO and LiOH are mixed Enter your chemical notation here b) Aqueous NaOH is mixed with an aqueous solution of HNO3 Enter your chemical notation here c) Aqueous Ba(OH)₂ is reacted with two equivalents of gaseous HC1 Enter your chemical notation here
Section 3 Assignment: Types of Chemical Reactions 1. The left side of a word equation lists the reactants a word equation lists the products 2. Complete the following general word equation by inserting the required symbols. reactant 1 product 1 product 2 3. Write how you would read the following word equation: reactant 2 The right side of hydrochloric acid + sodium acetate → acetic acid + sodium chloride 4. Write the word equation for the following written statement: Water and electric energy produce hydrogen gas and oxygen gas. Return to page 53 of the Student Module Booklet and begin Lesson 2. ©2004 Alberta Education