Law of Conservation of Mass & Counting Atoms Flashcards
1
Q
what is a scientific law
A
a general statement that sums up the conclusions of many experiments or a statement that summarizes an observed pattern in nature
2
Q
what is a theory
A
a set of ideas intended to explain facts or events
3
Q
what is the law of conservation of mass
A
-a law that states that in a chemical reaction the total mass of the reactants is always equal to the total mass of the products
4
Q
how do you balance equations
A
you add coeffients
5
Q
what does the + mean in a chemical equation
A
reacts with
6
Q
what does the —> mean in a chemical equation
A
to produce
7
Q
what is the order to balance
A
metals, ions, non-metals, oxygen, hydrogen
