Write a Balanced Equation for the Reaction of Calcium Hydride

question 31

Multiple Choice

Write a balanced equation for the reaction of calcium hydride with water.

• A) CaH₂(s)+ H₂O(l)→ CaOH₂(s)+ H₂(g)
• B) CaH₂(s)+ H₂O(l)→ CaO(s)+ 2H₂(g)
• C) CaH₂(s)+ H₂O(l)→ Ca(s)+ 2H₂(g)+ H₂O(l)
• D) CaH₂(s)+ 2H₂O(l)→ Ca(s)+ 3H₂(g)+ O₂(l)
• E) CaH₂(s)+ 2H₂O(l)→ Ca²⁺(aq)+ 2OH−(aq)+ 2H₂(g)

Analyze trade benefits between countries using comparative advantage.

Understand the role of exports in a country's GDP.

Identify the short-term benefits of protectionism for domestic producers.

Recognize the impact of economies of scale on trade benefits.

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Definitions:

Methods of Science

Systematic and empirical approaches to the investigation and understanding of phenomena, involving observation, hypothesis, and experimentation.

Respondent Conditioning

A form of learning in which a neutral stimulus becomes associated with a reflexive response through conditioning, also known as classical conditioning.

Consequences

Outcomes or effects that result from a given action or condition.

Social Learning

A theory that proposes people can learn new behaviors and information by observing others, also known as observational learning.