A mixture consists of sand, salt, and iron filings. Which of the following instruments or materials would NOT be useful in separating this mixture?

a. magnet

b. filter paper

c. screen

d. water

Be sure to answer all parts. What is the strongest type of intermolecular force between solute and solvent in each solution?

An unknown gas at 130 celsius has a rms speed that is 0.50 that of the rms speed of N2 molecules at 50 degrees celsius. What is the molecular weight of unknown gas?

What distinguishes a substance from a mixture? A) Samples of the same substance can have different intensive properties. B) Mixtures are groupings of elements, and compounds are not. C) Substances are compounds, and mixtures are not.

John Dalton believed which of the following about atoms?

Which of the following is not the same as 105.6 milligrams? A - 0.0001056kg B-0.001056 dkg C - 0.1056 g

On earth, the weight of an object changes. TrueFalse

When 5 grams of KCl are dissolved in 50. grams of water at 25°C, the resulting mixture can be described as (1) heterogeneous and unsaturated (2) heterogeneous and supersaturated (3) homogeneous and unsaturated (4) homogeneous and supersaturated

How have water & wind shaped Earth's Surface?

Convert 14 kilograms to pounds

Why are there only two elements in the first period of the periodic table? A. There are more than 2 elements in the first period of the periodic table. B. The first two elements share a unique property the rest of the periodic table does not have. C.