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1) From the perspective of a chemist, explain what a crystal is. Choose two examples of crystals, and explain how they are chemically similar to and different from one another.
2) Explain the relationship between "vapor pressure" and the common phases "solid," "liquid," and "gas."
What is the theoretical percent, by weight, of calcium in Ca(OCl)2
Define the solubility of Cu2SO3 is .27 m/l. Will a precipitate form when 525 grams of Cu2SO3 are stirred into 7563 mL of water? If a precipitate forms, then compute the grams of precipitate that will form.
The specific heat of iron metal is 0.450 J/g-K. How many J of heat are necessary to raise the temperature of a 1.05-kg block of iron from 25.0 Celcius to 88.5 Celcius
The following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 2.95 D
A gas has a volume of 2.84 L at 1.00 atm and 0oC. At what temperature does it have a volume of 7.50 L at 520 mmHg
Question- When 4.32 g of HgO (s) forms from its elements how much heat (in kJ) is involved. Take standard heat of formation of solid mercury(II) oxide as - 91 kJ/mol
consider the following reaction. h2og cog h2g co2g in a particular experiment 1.0 mol h2og and 1.0 mol cog are put
Choose the solvent below that would show the greatest boiling point elevation when used to make a .10 m nonelectrolyte solutiona)CCl4, Kb=29.9 degree C/m
In a separate experiment with the same initial conditions, a pressure of 2.50 was applied to the gas, decreasing its volume from 4.40 to 1.76 in one step. If the final temperature was the same for both processes, what is the difference between for..
iF 0.80g of a gas occupies 295 mL at 25 degrees Celcius and 680 mm Hg of pressure, what is the molar mass of the gas.
The weight of an object is the product of its mass, , and the acceleration of gravity, (where ). If an object's mass is , what is its weight.
Write a complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone. Show all intermediate structures and all electron flow with arrows.
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