When a drawing made with a black marker gets wet, the marker bleeds and more separates into several colors. What method of separation does this describe?

1. evaporation

2. distillation

3. filtration

4. chromatography

Considering all types of aerosols, what is their net effect on the climate system:

In a post office, a 3-m long ramp is used to move carts onto a dock that is higher than 1 m. Which describes how the IMA of this ramp compares with the IMA of the ramp that has a height of 1 m? It is greater. It depends on friction. It is the same.

What is the conjugate base of ch3ch2co2h?

A sample of carbon dioxide has a mass of 54.0 g. What is the mass in grams of one molecule of CO2?

1. How many moles of neon would be contained in 4.0 L of neon gas at 560 kPa and 127oC

Collagen is made of fibers and is found in tendons and cartilage. Collagen contributes to meat toughness and is, therefore, an example of which type of protein?

1. Why does CH30 evaporate faster than water?

How does concentration affect our daily lives in science?

How many nitrogen atoms are in 2.79 mo. of NH3

What is the chemical formula for polysaccharide?