The chemical potential energy of bond A is greater than the chemical potential energy of bond B. Which statement best explains this observation?(1 point)
a-The atoms in bond A are larger than the atoms in bond B.
b-The atoms in bond A have fewer bonds between them than the atoms in bond B.
c-The atoms in bond A are held more tightly together than the atoms in bond B.
d-The atoms in bond A are farther apart than the atoms in bond B.
2-Which statement about the bond energies of nitrogen, iodine, and fluorine gases is correct? (1 point)
The atoms in fluorine gas are held together by a triple bond.
The bond in nitrogen gas is the most difficult to break.
Fluorine gas and nitrogen gas have similar bond energies.
Iodine gas has the highest bond energy.
3-Use the information in the table to answer the question.
Bond Bond Energy (kJ/mol)
C–H 413
H–O 459
C–Cl 327
N–H 391
Which molecule has the greatest bond energy?
(1 point)
H2O
CH4
NH3
CCl4
4-The balanced equations for two reactions are shown.
(1) CH4 + N2 + H2 → CH3N + NH3
(2) CH4 + I2 → CH3I + HI
Which statement best explains why reaction 1 requires a greater input of energy than reaction 2?
(1 point)
The bond energy of the reactants in reaction 1 is greater than the bond energy of the reactants in reaction 2.
The number of bonds in the reactants in reaction 1 is greater than the number of bonds in the reactants in reaction 2.
The number of reactants in reaction 1 is greater than the number of reactants in reaction 2.
The bond energy of the products in reaction 1 is less than the bond energy of the products in reaction 2.
5-Chlorine and bromine are in the same group in the periodic table. The bond energy of a Cl–Cl bond is 240 kJ/mol. The bond energy of a Br–Br bond is 190 kJ/mol. Which statement best explains this difference?(1 point)
Chlorine atoms are larger than bromine atoms.
Bromine atoms are more likely than chlorine atoms to interact with other atoms.
Bromine has more electron levels than chlorine.
Chlorine atoms form a double bond, and bromine atoms form a single bond.
1) The atoms in bond A are held more tightly together than the atoms in bond
2) The bond in nitrogen gas is the most difficult to break.
3) CH4
4)The bond energy of the reactants in reaction 1 is greater than the bond energy of the reactants in reaction 2.
5)Bromine has more electron levels than chlorine.
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