A 0920-Gram Sample of Magnesium Is Allowed to Burn in 0

question 25

Multiple Choice

A 0.920-gram sample of magnesium is allowed to burn in 0.321 g of oxygen gas.The sole product is magnesium oxide.After the reaction,no oxygen remains and 0.809 g of magnesium oxide has been formed.What mass of magnesium is left unreacted?

• A)0.210 g
• B)0.432 g
• C)1.408 g
• D)0.111 g
• E)0.488 g

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Definitions:

Group Pressures

The social influence exerted by peers or a group to encourage an individual to conform to the group’s norms and expectations.

Force-Coercion Strategy

Pursues change through formal authority and/or the use of rewards or punishments.

Political Alliances

Partnerships or associations formed between political entities, such as countries or parties, to advance shared goals or interests.

Formal Authority

indicates the legitimate power granted to an individual or organization by virtue of position or office to make decisions, command resources, or govern.