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Write an essay (500 word minimum) in your own words without quotes, which is grammatically correct and properly formatted (name, lab section, title, essay double spaced in proper paragraphs, formulae properly written with subscripts addressing the following: What makes a substance acidic or basic and how is this measured
Reactions of acids and bases, including neutralization reactions
Describe an acid/base titration (how it works, what it measures)
Provide some "real world" examples of acids and bases, and their uses
The final, dried product weighed 0.1314 g. What is the percent weight of Zn (65.39 g/mol) in the original sample
using a sample as a mixture of cucl2 agno3and fecl3. when a sample of 1.0000-g of this cucl2 agno3and fecl3 mixture is
What is the enthalpy change for the combustion of 12.5g C4H10 in excess oxygen? C4H10 (g) + 13/2 O2 (g) ------? 4 CO2 (g) + 5 H2O (g) H0 = -1895 kJ
Indicate how each of the following errors will affect the calculated molarity of acetic acid.(high,low or no effect) and explain why. 1) The actual molarity of the NaOH was .2000M rather than .3000M
Consider the reaction 3X-----Products the reaction is initiated with a 2.50 M in X. The observed rate constant is 0.020s-1. What is the concentration of X after 1 min
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br? and C9H7N is quinoline,
What is the estimated temperature of the object using the above approximate prescription? What is the percent error?
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.500 it M solution of ammonia, NH3, to prepare a buffer solution that has a rm pH of 8.99?
A solution is made by dissolving 5.2246g of EDTA in 4.0000 liters of DI water. Assuming the EDTA was dried at 80°C and it still contains 0.3% excess moisture, calculate the EDTA molarity. (0.003499M)
How many milliliters of 0.459 M HBrO4 are needed to titrate each of the following solutions to the equivalence point. (a) 21.2 mL of 0.505 M KOH mL (b) 30.7 mL of 0.551 M NaOH mL
Problem- The gas phase reaction of a bromine molecule and a hydrogen atom occurs in a single step as a fundamental reaction. The temperature is 400 degrees C. Assume an activation energy of 60 kJ/mol. a. Look up the collision diameters. If necessar..
if 2.50 mol of copper ii and 5.50 mol of silver nitrate are available to react by single replacement. what is the
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