Acetylene Gas, HCCH(g), Can Be Generated in the Laboratory by Adding

question 123

Multiple Choice

Acetylene gas, HCCH(g) , can be generated in the laboratory by adding calcium carbide to excess water, as shown in the following reaction
CaC₂(s) + H₂O(l) $\rarr$ HCCH(g) + CaO(s)
How many grams of CaC₂ would be required to generate 0.20 moles of HCCH(g)

• A) 11 g of CaC₂ would be required
• B) 13 g of CaC₂ would be required
• C) 15 g of CaC₂ would be required
• D) 17 g of CaC₂ would be required
• E) None of the above are correct

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Definitions:

Allowance for Doubtful Accounts

A contra-asset account that reduces the total receivables balance to reflect the amount that is expected to be uncollectible.

Allowance for Doubtful Accounts

The allowance for doubtful accounts is an accounting technique to estimate the amount of receivables that are expected not to be collected, acting as a contra account to accounts receivable.

Bad Debt Expense

An expense reported on the income statement, representing the estimated amount of credit sales that are not expected to be collected due to customer default.

Uncollectible Receivables

Refers to money owed to a company that it is unable to collect from its debtors, often considered as a bad debt expense.