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Chemistry Lab Two Questions
1. If some of the anhydrous compound had decomposed, would the experimental percentage of water in the hydrate be higher or lower than it should be? explain
2. How would the experimental value be influenced if all th water were not driven off? explain.
Atom A loses 1 electron and atom B gains 2 electrons. What formula results if these two ions combine to produce a neutral compound
State the structure of the principal organic product expected from each of the subsequent reactions. Indicate stereochemistry where appropriate
Problem- If the Pb2+ concentration is maintained at 1.6M, what is the Cu2+ concentration when the cell potential drops to zero
Utilizing data to compute the nonstandard emf for each of the following reactions if the concentration of each of the ions in these reactions is 0.0002 molar as well as everything else is standard use 298 K for the temperature, R = 8.314 J/mol-K, ..
What is the pH of a buffer that is 0.50 M NH3 (pKb = 4.75) and 0.20 M NH4Cl after 50 mL of 0.2 M HCl is added to the 1 L solution
What is the molecular formula of the compound? , draw Structures for the molecule (1 bonus mark for every acceptable structure, up to a maximum of 5 bonus marks).
Using absolute cell references as necessary so that you can copy the formula, in cell G4 construct a formula to calculate the Percent of Total Sales for the first region. Copy the formula down for the remaining regions.
Mrs Jones is 40 years old as well as finally has her long awaited pregnancy. Although she is joyous, she's also fearful that she might have a deformed child due to her age. Consequently, she's been sent for a genetic work-up.
What might happen to your calculated NaOH morality if you use tap water rather than deionizer (purified) water to dissolve the KHP crystals or to rinse down the walls of the flask during the titration
This is from a "effect of pH on the solubility of Ca(OH)2" lab: If excess Ca(NO3)2 were present, what effect would it have on the solubility of Ca9OH)2. in a effect of comlex ion formaiton on the solubility of NiCO3
Acetylene gas (C2Hs) is produced as a result of the reaction CaC2(S)+2H2O(l)-> C2H2(g)+Ca(OH)2(aq).
Calculate the equilibrium partial pressures of all species when CO and Cl2, each at an intitial partial pressure of 1.53 atm, are introduced into an evacuated vessel at 600 K.
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