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

The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.

What type of reaction is this equation c2h5s + o2 > co2 + h2o + so2