In a typical chemical reaction the subscript for a particular atom is written

Why is rust forming on a car a chemical change?

An extra-strength aspirin contains 0.500 g of aspirin. How many grains is this? (1 grain = 64.8 mg)

Is Actinium Metal, Non-Metal, or Semi-Metal?

according to Charles law when the temperature of a gas at constant pressure is increased it

How many protons are in an element

Which technology works in conjunction with electronic collars to enable scientists to track endangered animals?

In an experiment, having too many variables A might solve the problem faster B could solve more than one problem C will cause too many problems D will not matter

The activation energy decreases with increase in temperature. why?

What are the characteristics of Archaebacteria? A. they are single cells that have a nucleus and tend to live in extreme conditions. B. they are single cells that lack a nucleus and tend to live in extreme conditions. C.

Avogadro's number was calculated by determining the number of atoms in