Explain why it is important that a chemical equation be balanced

Identify the following as a suspension or a colloid. marshmallow suspension colloid

What system maintains the ph of human blood at very near 7 ... 4

What is the name for 3Na2SO4

Water is a compound. Does water contain elements? Explain.

What happens to molecules and atoms in changes of state of matter?

How does food in a fridge cool down

How many electrons would be found in the ion whose symbol is given below? N3-

In an atomic model that includes a nucleus, positive charge is a. located in the space outside the nucleus. b. spread evenly throughout an atom. c. concentrated at multiple sites in an atom. d. concentrated in the center of an atom.

In the Table of Atomic Particles, various symbols have two numbers. The top number represents the atomic mass of the particle, what do the bottom numbers represent? Select all that apply.

A chemist is working on a reaction represented by this chemical equation: FeCl2 + 2KOH → Fe (OH) 2 + 2KCl. If the chemist uses 4.15 moles of iron (II) chloride and 3.