Rust Has the Formula Fe₂O₃,and It's Made from Iron Metal

question 18

Multiple Choice

Rust has the formula Fe₂O₃,and it's made from iron metal reacting with oxygen over time.Assume that you had a 2.0-g block of pure iron metal that fully oxidized to rust and the mass of that product was 6.5 g.What must have been the mass of oxygen that initially reacted with pure iron?

• A) 2.0 g
• B) 6.5 g
• C) 4.5 g
• D) 4.0 g

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Definitions:

Coping Flexibility

The ability to effectively adapt to and manage stressors in various situations by using different coping strategies.

Coping Strategies

Techniques or methods employed by individuals to manage, endure, or adapt to stress and difficult situations.

Anxiety-reduction Style

The manner in which individuals cope with or manage their feelings of anxiety, often involving specific behaviors or thought patterns aimed at reducing discomfort.

Frustration Aggression Hypothesis

A psychological theory suggesting that aggression is often the result of frustration, or the blockage of achieving a desired goal.