Which of the following methods separates a homogeneous solution by spinning the solution very fast?

Evaporation and distillation

Filtration

Centrifuge

Magnetism

Common commercial acids and bases are aqueous solutions with the following properties: Density Mass Percent of Solute Hydrochloric acid 1.19 38 Nitric acid 1.42 70. Sulfuric acid 1.84 95 Acetic acid 1.05 99 Ammonia 0.

What does the most accurate clock tell us

A sample of carbon-12 has a mass of 6.00 g. How many atoms of carbon-12 are in the sample?

What kind of volcanoes form from subduction boundaries

Which are true statements about reactions? Check all that apply. A. In a chemical reaction, the nucleus is breaking apart. B. In a chemical reaction, bonds between atoms break apart. C. In a chemical reaction, electrons are given, taken, or shared.

A sample of pure lithium contains 7.99% lithium by mass. What is the % lithium by mass in a sample of pure lithium nitrate that has twice the mass of the first sample?

What ecosystem is being described in the passage?

In the enzyme reaction above, catechol is the substrate, oxygen is a reactant, catechol oxidase is the enzyme, benzoquinone is the product, and water (H2O) is a by-product. Which of the following will decrease the rate of this reaction? a.

How do acids and bases affect the quality of freshwater sources?

How many moles of carbon dioxide can be produced when 3.05 of calcium carbonate are heated