Sodium Metal and Water React to Form Hydrogen and Sodium

question 20

Multiple Choice

Sodium metal and water react to form hydrogen and sodium hydroxide.If 5.98 g of sodium react with water to form 0.26 g of hydrogen and 10.40 g of sodium hydroxide,what mass of water was involved in the reaction?

• A)4.68 g
• B)5.98 g
• C)10.14 g
• D)10.66 g

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Definitions:

Medial Prefrontal Cortex

A part of the frontal lobe of the brain involved in decision-making, social behavior, and personality expression.

Operant Conditioning

Form of learning in which behaviors lead to consequences that either reinforce or punish the organism, leading to an increased or a decreased probability of a future response.

Observational Learning

Learning that occurs when a person observes the rewards and punishments of another’s behavior and then behaves in accordance with the same rewards and punishments.

Social-cognitive Learning

A theory that posits learning occurs in a social context with a dynamic and reciprocal interaction of the person, environment, and behavior.