Find $\Delta$ H°_rxn for the Reaction
CH₄(g)+ 2O₂(g) $\rarr$ CO₂(g)+ 2H₂O(l) $\Delta$ H°_f (CH₄(g))= -74

question 22

Short Answer

Find $\Delta$ H°_rxn for the reaction
CH₄(g)+ 2O₂(g) $\rarr$ CO₂(g)+ 2H₂O(l).
[ $\Delta$ H°_f (CH₄(g))= -74.8 kJ/mol; $\Delta$ H°_f (CO₂(g))= -393.5 kJ/mol; $\Delta$ H°_f (H₂O(l))= -285.5 kJ/mol]

---

Definitions:

FICA Taxes

Taxes imposed by the Federal Insurance Contributions Act, funding Social Security and Medicare, withheld from employees' paychecks and matched by employers.

Federal Withholding Taxes

Income taxes automatically deducted from an employee's paycheck by the employer, sent to the government as partial payment of the yearly tax obligation.

Unemployment Taxes

Taxes paid by employers to fund unemployment insurance programs, providing benefits to workers who have lost their jobs.

Supplemental Wage Payments

Additional wages paid to an employee, varying from regular salary, such as bonuses, commission, overtime pay, and severance pay, which may be taxed differently.