A 648-G Empty Iron Kettle Is Put on a Stove

question 42

Multiple Choice

A 648-g empty iron kettle is put on a stove. How much heat, in joules, must it absorb to raise its temperature from 15.0°C to 37.0°C? (The specific heat for iron is 113 cal/kg•C°, 1 cal = 4.190 J)

• A) 6740 J
• B) 11,300 J
• C) 1610 J
• D) 16,100 J

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Definitions:

Instanceof Operator

An operator used in programming to test if an object is an instance of a specific class or interface, returning true or false.

Instance Variable

A variable defined in a class for which each instantiated object of the class has its own separate copy or instance.

Private

A modifier in object-oriented programming that restricts access to methods and variables to the class in which they are declared.

Base Class

The parent class in inheritance hierarchies from which subclasses inherit attributes and methods in object-oriented programming.