1. Which set of diagrams shows a balanced chemical equation? А
Reactants
Products
H
o
s
S
H
н
O
o
S
s s
B
Reactants
Products
H
H
н
Н
o
s
S s
H
H
H
H
o
o
s
С
Reactants
Products
H
H
H
H
o
S
S
HH
H
H
o
o
S
S
S
D
Reactants
Products
H
H
O O
O A. Diagram A
O B. Diagram B
O C. Diagram
O D. Diagram D

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

What happens when the temperature of a solution increases?

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?