Given the Following Data, Calculate How Many Moles of Gas

question 29

Multiple Choice

Given the following data, calculate how many moles of gas are produced in the combustion of one mole of butane, C₄H₁₀.
Standard heats of formation (kJ/mole) :
H₂O(g) : -241.82
CO₂(g) : -393.5
Butane: -147.6
Formula weight of butane: 58.12 g/mole
L/mole of a gas at STP: 22.4L

• A) 2
• B) 5
• C) 8
• D) 9
• E) none of the above

---

Definitions:

Internal Control

Processes and procedures implemented by a company to ensure the integrity of financial and accounting information, promote accountability, and prevent fraud.

Audit Trail

A record that traces the detailed transactions relating to any operational, financial, or security process, allowing verification of the authenticity and integrity of transactions.

Direct Write-off Method

A method where uncollectable debts are charged to expense only when they are determined to be uncollectable.

Bad Debts

Refers to the amount of money owed to a company that is unlikely to be paid by the debtor, considered as a loss to the company.