16 Two grams of potassium chloride are completely dissolved in a sample of water in a beaker. This solution is classified as

(1) an element

(2) a compound

(3) a homogeneous mixture

(4) a heterogeneous mixture

Carbon monoxide reacts with oxygen to produce carbon dioxide. If 1.0 L of carbon monoxide reacts with oxygen at STP, a. how many liters of oxygen are required to react? b. How many liters of carbon dioxide are produced?

A mixture was found to contain 1.05 g if silicone dioxide, 0.69 g cellulose, 1.82 g of calium carbonate. what percent of calcium carbonate is in thise mixture?

Why hyberdization occurs?

Suppose that 0.25 mole of gas C was added to the mixture without changing the total pressure of the mixture. How does the addition of C to the mixture change the mole fraction of gas A? there is no change increases it decreases it

What observations would lead you to believe that the ink is actually a mixture?

Which list correctly shows carbohydrates in size from smallest to largest?

Metallic behavior is generally associated with elements with partially filled p orbitals. elements with unpaired electrons. elements with small atomic radii. elements with very negative electron affinities. elements with low ionization energies.

Does cos have a dipole moment? choose the answer that best explains the reason for your choice.

How do the fracture toughness values compare between ceramics, polymers and metals?

The four main systems of earth are?