Calculate the number of moles of Zn (NO3) 2 in 131.50 g of this substance. Note that the formula weight of Zn (NO3) 2 is 189.40 amu.

If the water is hot then the food coloring will spread faster, because?

What would happen to a coral reef if sea levels suddenly rose?

What is a catalyst in a chemical reaction?

What is the definition if a chemical bond? A. a mutual attraction between the nuclei and electrons in two different atoms. B. a mutual attraction between the nuclei and electrons in a single atom. C.

Which term refers to compounds that can form hydrates but do not contain water molecules? anhydrous dihydrates hydrolytic octahydrates

Dalton's atomic theory

Describe how food is digested and absorbed

If a solution A has twice as much solute as solution B. Is it possible for the solutions to have the same concentration?

Chris is studying oxidation and reduction reactions. Which of the following could she use as an example of an oxidation reaction?

In a short circuit as the resistance decreases what happens to the current?