Module 1.1 - The Law of Conservation

Question 1

What is the law of conservation

Answer 1

matter is not created nor destroyed

Question 2

what are reactants and where are they located in an equation

Answer 2

reactants are teh old substances going into teh equation, on the left

Question 3

what are products and where are they located in an equation

Answer 3

products are the new substances formed when the chemical reaction rearranges the old substances (reactants), right

Question 4

what is a word equation

Answer 4

simple discription of what is happenning in the reaction using the names of chemicals

Question 5

what is a chemical reaction

Answer 5

a representation using formulas and symbols of a chemical reaction, they are unbalanced

Question 6

What is a balanced equation

Answer 6

an equation that has the same number of atoms involved in the reactants side and the products side

Question 7

why is it important to balance equations

Answer 7

to follow the law of conservation of matter by having the same number of each atom on either side of the equation to be scientifically accurate

Question 8

what is an unbalanced equation

Answer 8

occurs when the number of each atom on eitehr side of the reaction is not equal. these reaction are not wrong just do not follow the law of conservation of matter

Question 9

what are state symbols

Answer 9

they provide information on the physical state of reactants or products. they are placed in subscript behind the formula

Question 10

what are the 4 state symbols

Answer 10

solid (s)
liquid (l)
gas (g)
solution (aq)