In Which of the Following Processes Does the Enthalpy Change

question 46

Multiple Choice

In which of the following processes does the enthalpy change (ΔH) directly represent the magnitude of the lattice energy of KCl(s) ?

• A)Cl ₂(g)+ 2K(s)→ 2KC (s)
• B)KCl(s)→ K ⁺(aq)+ Cl ⁻ (aq)
• C)KCl(s)→ K ⁺(g)+ Cl ⁻(g)
• D)KCl(s)→ K(s)+ Cl ⁻(g)
• E)KCl(s)→ K(s)+ Cl(g)

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Definitions:

MIRR

Modified Internal Rate of Return, a financial measure used to assess the attractiveness of investments by accounting for the cost of borrowing and reinvestment rates.

Cash Flows

The aggregate sum of money entering and exiting a business, notably affecting its cash flow.

WACC

Weighted Average Cost of Capital is an evaluation method for determining the cost of a company's capital, with each source of capital weighted based on its relative proportion.

Present Value

Present value is the current worth of a future sum of money or stream of cash flows, given a specified rate of return.