221 Determination of Equilibrium Constant for an Esterification Reaction Experiment 18 Prelaboratory Assignment (You must turn...
Experiment 5 Types of Chemical Reactions Prelaboratory Assignment (You must turn in the prelaboratory assianment on the day of your experiment) Student Name Date Team Members 1. Give one example for each of the four types of chemical reactions by writing a balanced equation for each type. (a) Decomposition (b) Precipitation (c) Single displacement (d) Double displacement List the three chemical processes that can lead to the removal of ions from solution and thus drive a metathesis reaction. Give one...
203 Experiment 17 Measurement of pH and Determination of the Acid Dissociation Constant of a Weak Acid Prelaboratory Assignment (You must turn in the prelaboratory assignment on the day of your experiment.) Student Name Date Team Members 1. Define an acid and a base according to the Brønsted-Lowry theory. 2. Give the definition of pH. 3. What is a pH titration curve?
general chemistry lab Prelaboratory Assignment (You must turn in the prelaboratory assignment on the day of your experiment.) Student Name Happyness Inmun Date Team Members 1. Consider the gaseous reaction at 347°C N2 + 3H22NH3 If 2.00 mole of N2 and 3.00 mole of H2 react, (a) which of the two reactants is the limiting reagent? (b) If the reaction goes completely, how many grams of NH3 should be produced? (c) Calculate the percent yield if 2.50 g of NHa...
Le Chatelier's Principle Date: Course: Section: Instructor Student name: Team members: Prelaboratory assignment 1. Define the following terms: a. Chemical equilibrium b. Le Chatelier's principle 2. Consider the hypothetical reaction A+ B+ heat C+D What will happen to the concentrations of A, B, C, and D under each of the following conditions? A catalyst is added to the system, which is at equilibrium. a. Bither C or D is added to the system, which is initially at equilibrium. b.
Name: Date: CHE 112L Pre-Lab Assignment Experiment # 2: "Equilibrium Constant for a Chemical Reaction" Assignment is due at the beginning of next lab session Constant t lab session SHOW WORK. 1. Write the equilibrium constant expression for the reaction below (Kay) CH4(g) + 2 H2S(g) ←→ CS2(g) + 4 H2(g) A reaction mixture initially contains 0.50 M CH4 and 0.75 M H2S. If the equilibrium concentration of H2 is 0.44 M, find the equilibrium constant (Ke) for the reaction....
Section Name Experiment 23 Advance Study Assignment: Determination of the Equilibrium Constant for a Chemical Reaction 1. A student mixes 5.00 mL 2.00 X 10M Fe(NO), with 5.00 ml 2.00 x 10-M KSCN. She finds that in the equilibrium mixture the concentration of FeSCN is 1.40 x 10M. Find K for the reaction Fe(aq) + SCN (aq) FeSCN2(aq). Step 1 Find the number of moles Fe and SCN initially present. (Use Eq. 3.) (5.00 x103 LX (300X163) = (x 103...
4. Turn-in Pre-Lab Assignment - Experiment and Objectives (10 pts) You MUST turn this paper in to your TA at the start of the LAB SESSION! YOUR Name: Lab room: Partner Name: Lab time: TA Name: Hood #: Give brief, 1-2 sentence responses to the following questions 1 (3 pts). What is the solvent, what is the reagent and what is the reactant you will use in your synthesis of acetaminophen? Solvent = Reagent = Reactant 2 (1 pt). What...
Prelaboratory Assignment: Experiment 22 Determination of Absolute Zero All numerical answers should be given to the correct number of significant digits. 1. What is Gay-Lussac's Law? A low stating that the volumes of goses undergoing a reaction at constant pressure and tempreure are in a Simple ratio to each other and to that of the product 2. What is the temperature of the alcohol/dry ice slurry? What precaution(s) should be taken in working with the slurry? 3. What is the...
Name Lab Section Prelaboratory Assignment: Experiment 22 Determination of Absolute Zero All numerical awwers should be given to the correct number of significa digits 1. What is Gay-Lussac's Law? 2. What is the temperature of the alcohol dry ice slurry? What precautions) should be taken in working with the slurry? 3. What is the boiling point of liquid nitrogen? What precaution(s) should be taken in working with liquid nitrogen? 4. Why must the gas container be submerged slowly when you...
DATE: TEAM MEMBERS SECTION TA: Ch atelier's Principle: Chemical Equilibrium and Determination Equilibrium Constant ST-LABORATORY QUESTION 1. For the following reaction: 2 H30' (aq)-Cr,072-(aq) + 3 H20 (r) 2 Crof (a) yellow + orange Use Le Chatelier's Principle to account for the effect of adding H,SO, to a solution of K,Cro, (1.5 pts) a. b. Use Le Chatelier's Principle to account for the effect of adding when NaOH to the mixture in question la. (1.5 pts) 7 Far the following...