View lab report - post lab 10 from chem 105a at university of southern california cucl2 cu(no3)2 nano3 cacl2 kno3 cuso4 nacl unknown bright. Lab report on copper cycle reagent appearance cucl2h2o dark green color and cylindrical volume or mass concentration n/a 030 g shape crystal this lab could . Laboratory the theoretical mass is the mass of the product that should be present if every reactant molecule participated in the written reaction(s) and if the technique(s). First post here seems like a cool place (ii) oxide is widely used as a lab reagent and as an alternative oxidizer in thermite) how to dispose of cucl2 .
Reactions, but before disposing the contents of the test tubes, confer your observations with your lab partner and work together to write the required chemical equations experiment 10: precipitation reactions. Post-laboratory questions 1 why is it better to extract twice with 15 ml portions of solvent 2 instead of once with a 30 ml volume of solvent 2 lab report for . Lab #6 chemical transformations of copper introduction: copper was one of the first metals to be isolated, due to the ease of separating it from its.
Pglo bacterial transformation using calcium chloride transformation solution and heat shock a lab extension of the pglo lab may involve modifying more complex . Post lab cleanup when all of your classes have finished using the streak petri plates, open the dishes and immerse in bleach solution for at least 20 minutes following sterilization, pour off liquid, put dishes in plastic bag, and throw away in regular trash. Percentage yield lab answers mass of used to make 100ml of 01m solution cacl2(ag) solution= 1110 (+/- 001g) share this post.
9-2 have been measured for many half-reactions and they are listed in tables a short list is also provided at the end of the in-lab section for the reduction half-reactions in equations (2). Lab on chemical bonding does anyone know where i can find the answers to the post-lab questions for flinn chemtopic labs on chemical bonding the first question is: name the two possible products in the precipitation reaction of copper(ii) chloride with sodium phosphate. 0013 moles h2o / 00057 moles cucl2 = 23 moles h2o / mole cucl2 the likely formula is cucl2 x 2h2o that is a very common chemical found in most lab stockrooms. Lab #4 – gravimetric analysis of a metal carbonate (adapted from flinn scientific chemfax, 2005) background: in this experiment, an unknown alkali metal carbonate, m. 100 ml-beakers (2) 1 small spoonful of cucl2 crystals post-lab discussion: green chunks and foil .
Post lab questions: 1 what is electrode potential electrode potential is the voltage generated when a half-cell is connected to a standard half-cell, usually the hydrogen electrode, which is assigned a potential of zero volts. Lab questions: (answer on back of sheet) metals have a luster, are malleable, and conduct electricity many metals react with acids many metals also react with cucl2 solution. Pre- laboratory questions and exercises post- laboratory questions and exercises exp_18_percentage_and_formula_of_a_hydratedoc.
Tags: answers chemical reaction lab type of reactions share this post share with facebook share with twitter share with google+ share with pinterest share with linkedin. The surroundings are everything ou tside of the calorimeter (the rest of the room, the lab bench, etc) we assume that the system is closed and does not exchange energy with the surroundings therefore,. Ch204 fall 2009 – anderson qualitative analysis postlab 3 questions 2 – 5 in each of the following four situations, imagine that you.