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One mole of acetyl chloride was mixed with one mole of dimethylamine. After the reaction is complete, what species can be found in the mixture? Draw only the organic structures (i.e., omit inorganic ions). Show charges where necessary.
if 19.65mL of .145M nitric acid is required ti neutralize 50.0mL of barium hydroxide what is the molar concentration of the base? 2HNO3+Ba(OH)2-->Ba(NO3)2+2H2O
Calculate the Mn of the polyisobutene if A 7.5g polymer sample found to discolor 3.4 mL of a 0.05 M solution of Br in CCl4 ?
When diluting the juice samples with water, you did not need to be as accurate as in previous measurements. Why was the same level of precision not required?
Compare trials 1 and 2 to determine the order of reaction with respect to iodide ions. How did the concentration of iodide ions change in these two trials, and how did the rate change accordingly? What is the reaction order for iodide?
A rock contain 3.2 grams of a radioactive isotope, uranium-235, . Determine what was the original amount of uranium-235 in the rock If the rock has undergone 2.75 half lives, and how old is the rock?
The density of a liquid sulfur compound is 1.14 gmL1. This compound contains 23.7% sulfur. How many milliliters of the compound must be burned to obtain 6.40 g of SO2? Molar Mass SO2 64.1 gmol
calculate the specific heat of a metallic element if 478 J of energy are needed to raise the temp. of a 82.73 g sample from 25.0 C to 50.0 C. what is the most likely identity of the element
Use Hess' Law to show how the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
Reaction 1 uses 0.260 of reactant, and Reaction 2 uses 0.590 of reactant. How many times faster is Reaction 2 compared to Reaction 1.
A sample of molten iron occupies of a volume of 7.11 x 10-3 L. If the density of iron is 7.86 g/cm3, what is the mass of iron in grams in the sample?
A swimming pool measures 25 meters wide by 145 meters long by 1 meters deep. How many gallons of water are required to fill the pool?
An empty Erlenmeyer flask weighs 261.9 g. When filled with water (d = 1.00 g/cm3), the flask and its contents weigh 465.2 g. What is the flask's volume in cm^3?
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