A Block of Iron Has a Mass of 826 G $\circ$

question 47

Multiple Choice

A block of iron has a mass of 826 g. What is the mass of a block of magnesium that has the same volume as the block of iron? The following densities at 25 ^$\circ$ C are provided: magnesium, 1.7 g/cm³ ; graphite, 1.8 g/cm³ ; iron, 7.9 g/cm³.

• A)1,400 g
• B)3,800 g
• C)830 g
• D)180 g
• E)none of them are within 10 g of the right answer.

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Definitions:

System II

Often referred to in the context of dual-process theories of reasoning, System II is the analytical and reflective thought process that requires conscious effort.

Unconscious Processing

Mental processes that occur without conscious awareness or intention, influencing perceptions, thoughts, and behaviors.

Confirmation Bias

The tendency to search for, interpret, and remember information in a way that confirms one's preconceptions, leading to statistical errors.

System I

A term often used to describe intuitive, fast, and automatic thinking processes, as opposed to more deliberate and analytical decision-making.