For Which Process Is ΔS Negative

question 132

Multiple Choice

For which process is ΔS negative?

• A) evaporation of 1 mol of CCl₄(l)
• B) grinding a large crystal of KCl to powder
• C) raising the temperature of 100 g of Cu from 275 K to 295 K
• D) mixing 5 mL of ethanol with 25 mL of water
• E) compressing 1 mol of Ne at constant temperature from 1.5 atm to 0.5 atm

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Definitions:

Cash Basis

An accounting method where revenues and expenses are recognized only when cash is received or paid out, respectively.

Internal Rate

This term might be incomplete or unclear; however, it is possibly referring to the internal rate of return (IRR), which is a metric used in financial analysis to estimate the profitability of potential investments.

Discount Rate

The rate of return that is used to find the present value of a future cash flow.

Cash Outflows

The total amount of money being spent by a business, commonly on expenses like rent, materials, payroll, and other operational costs.