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The diameter of a helium atom is about 1 x 10^2 pm. Suppose that we could line up helium atoms side by side in contact with one another. Approximately how many atoms would it take to make the distance from one end 1 cm?
The weathering of pyrite (FeS2) in coal mines and in metal sulfide ore deposits can be represented by the following reaction
Draw the most stable conformation of trans-1-isobutyl-4-methylcyclohexane in both the chair conformation and the wedge structure.
Which of the following statements relative to IUPAC nomenclature for alkens and cycloalkenes is incorrect? A. The position of a double bond in a parent chain is given by a single number B
2NO (g)+ Br2 (g) yields 2NOBr (g) What is the rate of disappearance of Br2 when [NO]= 5.9×10-2 M and [Br2] = 0.26 M
Dye 2 failed to quench the synthesis of benzpinacol however afforded a red flurorescence in the chemiluminescent reaction. Explain what can you say about the estimated energy levels of the S1 and T1 states of the two dyes
If a few drops of water on the outside of the hot water syringe used to dispense the 5.00 mL sample into the calorimeter well for the Kcal determination fell into the well
the decomposition of dinitrogen pentoxide is described by the chemical equation2 n2o5g ? 4 no2g o2gif the rate of
Write an abstract for the Gravimetric Determination of Calcium experiment you just completed using the guidelines below. Because of the simplicity of the experiment performed, your abstract should be between 150 and 250 words, which is less than t..
A student placed 11.5 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mark on the neck of the flask was reached. The flask was then shaken until the ..
a flammable gas made up only of carbon and hydrogen is found to effuse through a small hole in 1.50 min. under the same
1.assuming that the answer to part b is yes at what temperature will the crystals begin to appear when the students
Glycerol, C3H8O3, is a water-soluble liquid of density 1.2656 g/ml at 15oC. Calculate the molarity of a solution of glycerol made by dissolving 40.000 ml glycerol at 15oC in enough water to make 250.000 ml of solution.
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