Hydrogenation of Double and Triple Bonds Is an Important Industrial

question 45

Multiple Choice

Hydrogenation of double and triple bonds is an important industrial process. Calculate (in kJ) the standard enthalpy change ΔH° for the hydrogenation of ethyne (acetylene) to ethane. H-C≡C-H(g) + 2H₂(g) → H₃C-CH₃(g)
Bond: C-C C≡C C-H H-H
Bond energy (kJ/mol) : 347 839 413 432

• A) -296 kJ
• B) -51 kJ
• C) 51 kJ
• D) 296 kJ
• E) 381 kJ

Recognize the effects of a stock split on ownership equity and par value per share.

Understand the difference between stock dividends and stock splits.

Recognize the accounts used to record dividends and their impact on financial statements.

Understand the reasons behind issuing stock dividends.

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Definitions:

Potentially Higher Returns

The prospect of gaining returns on investment that exceed average or expected levels, often associated with higher risk.

Bonds

Fixed-income financial instruments that represent a loan made by an investor to a borrower, typically corporate or governmental, which is obliged to pay back with interest.

Sensitivity Analysis

A method to assess the riskiness of a capital investment by forecasting the most optimistic, the normal, and the most pessimistic outcomes possible under reasonable circumstances.

Net Present Value

A financial metric that calculates the present value of all future cash flows of a project minus the initial investment.