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Chemistry

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Enos Reichel

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โˆ™ 2021-10-09 18:34:12
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Cards in this guide (22)
Einstein's famous equation EMc2 is a what

Einstein's equation energy equals matter times the speed of light squared is an equation in mechanics that relates the motion of a particle to its energy and weight.

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 0ร  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 10ร‹ grams of water raises the boiling point to 100.680 ร C

126

Two nonpolar substances are most likely

manicple

The letter E in a VSEPR formula represents the

It stands for electron.

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

21.6g NiSO4 in 1.00 102g H2O assume 100 percent ionization Compute the boiling point of this solution

101.4

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 ร C What is the osmotic pressure of the solution

5.2

What is the osmotic pressure at 20 C of a solution made by dissolving 0.69 grams of sucrose c12 h22 o11 in 100 mL of water

.49 ATM

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

Is lactic acid a monoprotic acid

yes. it is monoprotic acid

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

What is the net ionic equations of NaNO3 plus CuCl2

There is no reaction between these chemicals, so there is NO net ionic equation.

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