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Chemistry

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Enos Reichel

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Cards in this guide (16)
What VSEPR formulas would predict a trigonal bipyramidal shape

A^6

The expected value for 'i' for NaCl is

2

A box with a volume of 22.4 L contains 1.0 mol nitrogen and 2.0 mol hydrogen at 0à Celsius Which of the following statements is true

the partial pressure of N2 is 101kPa

The expected value for 'i' for k2SO4

3

64.3 grams of solute in 3.90 X 10Ë grams of water raises the boiling point to 100.680 àC

126

Two nonpolar substances are most likely

manicple

What is the molecular mass of 8.02 grams of solute in 861 grams of water lower the freezing point to -0.430 degrees C

Calculate the molecular mass of the nonionic solutes. 8.02 grams of solute in 861 grams of water lower the freezing point to -0.430 ±C.

69.7 grams of a solute with a molecular mass of 2790 grams are dissolved in enough water to make 1.00dm of solution at 20C What is the osmotic pressure of the solution

60.8

18.6 grams of a solute with molecular mass of 8940 grams are dissolved in enough water to make 1.00 dm of solution at 25 àC What is the osmotic pressure of the solution

5.2

How many joules of energy are necessary to heat a sample of water with a mass of 46.0 grams for 0.0

46 calories (or 192, 464 joules) for each Celsius degree.

Assume that a solution forms the product mercury liquid acetate The product formed is

Assume that a solution forms the product mercury (I) acetate. The product formed is _______.

How does polarising power effect boiling point

it increases with boiling point

What is produced in this equation Li2Os H2OI 2LiOHaq

LiOH(aq)

What is the freezing point of 25.5 C7H11NO7S in 1.00 x 10 2g H2O

25.5 ?? Is that grams? Assuming it is, then...
25.5 g C7H11NO7S x 1 mol/253 g = 0.100 moles
∆T = imK = (1)(0.1mol/0.1 kg)(1.82) =1.82 degrees
Freezing point of water solution will be -1.82 degrees C

Choose the best definition for this symbol. (s)

Solid

What is 21.6g NiSO4 in 1.00 102g H2O assume 100 percent ionization compute the freezing point of this solution

2b

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