Science

Question 1

Group of laws that govern the behavior of gases.

Answer 1

gas law

Question 2

The 4 laws are:

Answer 2

Boyle’s Law, Charles Law, Gay-Lussacs Law and The Combined Gas Law.

Question 3

• discovered Boyles’s law which states that the pressure and volume of a gas are inversely proportional.

Answer 3

Robert Boyle

Question 4

This means that as the pressure of gas increases, its volume decreases.

Answer 4

boyle’s law

Question 5

The equation states that the product of pressure and volume is a constant for a given mass of combined gas as long as the ___

Answer 5

temperature is constant.(boyle)

Question 6

P1V1 = P2V2

Answer 6

Boyle

Question 7

, a french chemist.
• It states that at a constant pressure, the volume of a gas is directly proportional to the temperature (in Kelvin) in a closed system.

Answer 7

Jacques Charles

Question 8

This law states that
• The pressure of the gas is directly proportional to the temperature for a constant volume.

Answer 8

Joseph Louis Gay-Lussac

Question 9

It shows the relationship between temperature, volume and pressure for a fixed quantity of gas.

Answer 9

combined gas law

Question 10

Is the shorthand way of expressing chemical reaction using numbers, symbol and formula.

Answer 10

chemical equation

Question 11

Two major parts
• t

Answer 11

Reactant
• Product

Question 12

the term for substances that start a chemical reaction

Answer 12

reactant

Question 13

the substances formed as a result of a chemical reaction is called.

Answer 13

Product

Question 14

•The starting materials
•These are the substances that changes when it is combined with another substance in a chemical reaction

Answer 14

reactant

Question 15

•The new substance
•The substances that result of the chemical reaction

Answer 15

products

Question 16

used to separate one reactant or
product from one another.

Answer 16

plus sign +

Question 17

Can be read as “reacts with”
when used in reactant, read as
“and” when it is used in product.

Answer 17

+

Question 18

used to separate the reactants
from the products

Answer 18

arrow to the right

Question 19

read as “yields” or “produces” in
an equation.

Answer 19

arrow to the right

Question 20

•indicates that the substance is in
the solid state.

Answer 20

(s)

Question 21

indicates that the substance is in the liquid state.

Answer 21

(I)

Question 22

indicates that the substance is in
the gas state.

Answer 22

(g)

Question 23

indicates that the substance is
dissolved in water
• comes from the term “aqueous”

Answer 23

(aq)

Question 24

indicates that there is heat applied or needed to make the reaction proceed.

Answer 24

arrow

Question 25

According to the law of ____, matter cannot be created nor destroyed. It is only converted from one form to another.

Answer 25

conservation of mass

Question 26

In essence, the number of atoms of all elements in a chemical equation should be ____

Answer 26

be the same.

Question 27

If they are not, you need to work on providing integer numbers preceding each reactant or product. These numbers are called __.

Answer 27

coefficients

Question 28

These ___ represent the number placed in front of chemical formula to balance equation.

Answer 28

coefficients

Question 29

is the number appear on the bottom left or right of the symbol.

Answer 29

Subscript