Color change is a good way to detect a chemical reaction. True or False?

What is the chemical formula for hydrochloric acid?

What forces does an electrically charge object experience because of its charge?

What is the molar mass for Mn3O4?

Which of these must be an organic compound? sodium chloride water carbon dioxide hydrogen peroxid?

An atom of copper is represented by 6529cu. how many neutrons are in the nucleus of this atom?

Plastic, rocks, and steel are all matter. They are made of tiny particles that can't be broken down into smaller pieces. These particles are called:

The palm tree with island is a population or biome or community

A gene is a section of dna within a chromosome that codes for a

An electron charge e mass m and a positron charge e mass m revolve around their common center of mass under the influence of their attractive coulomb force Find the speed v of each particle in terms of e m k and their separation L

Find the density of an object with a volume of 2.5 cm3 and a mass of 8.0 g.