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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

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

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,

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

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.

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