The Energy Content of a Big Mac Is 540 Cal

question 75

Multiple Choice

The energy content of a Big Mac is 540 Cal. How much water can be heated from 20 to 90 by this amount of energy? (c_P(water)  1.00 g/mL, c_s(water)  4.18 J/(g  ) , 1 Cal  1,000 cal  4.184 kJ)

• A)2.2 mL
• B)6.0 L
• C)7.7 mL
• D)7.7 L
• E)6.0 mL

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Definitions:

Project Acceptance

The process of approving a proposed project based on analysis of its feasibility and alignment with organizational goals.

Multiple IRR's

The possibility of obtaining more than one internal rate of return for a project or investment due to unconventional cash flows, such as alternating periods of negative and positive cash flows.

Negative NPV

A situation where the net present value of a project or investment is negative, indicating that the expected cash inflows are not sufficient to cover the initial investment and the cost of capital.

Highest IRR

The maximum internal rate of return, representing the most favorable potential annual return on an investment, adjusted for time value of money.