Entropy: a 2

question 49

Multiple Choice

Entropy: A 2.00 kg piece of lead at 40.0°C is placed in a very large quantity of water at 10.0°C, and thermal equilibrium is eventually reached. Calculate the entropy change of the lead that occurs during this process. The specific heat of lead is 130 J/(kg∙K) .

• A) -12.5 J/K
• B) 86.0 J/K
• C) -26.2 J/K
• D) -86.0 J/K
• E) -6.24 J/K

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Definitions:

Marginal Tax Rate

The rate at which the last dollar of income is taxed, reflecting the percentage of tax applied to your income for each tax bracket in which you qualify.

Average Tax Rate

The portion of total income that is paid as taxes, calculated by dividing the total amount of taxes paid by the taxpayer's total income.

Taxable Income

The portion of an individual's or entity's income that is subject to taxation by governmental authority after deducting allowable deductions.

Lump-Sum Tax

A tax that is of a fixed amount and does not vary with the taxpayer’s income level or asset value.