Seasonal variation on earth is due to the

The solid above sink to the bottom when you put a container filled with it what does that tell you about density

A student wants to determine whether an unknown solid is an ionic compound. He puts some in water and finds that it does not dissolve. He says that this proves the solid is ionic. Which best evaluates the student's reasoning?

As you saw in the video, the pH of a 0.1 M solution of acetic acid, HC2H3 02, (Ka 1.8 x 10^-5) is 2.9. Based on this observation, which statement below best describes the pH of a 0.1 M solution of lactic acid, HC3H O3, (Ka E 1.

The dissolving of a solid in a liquid occurs at the surface of the acid. True False

For what reasons would modern scientists accept dalton's atomic theory but not the idea of an atom proposed by the greek philosophers?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda