In antoine lavoisier’s classic experiment, mercuric oxide is heated in a sealed container. the solid red powder is changed into two products: silver liquid mercury and oxygen gas. if lavoisier heated 100 grams of powdered mercuric oxide to produce 93 grams of liquid mercury, how much oxygen would be released? a) 7 grams b) 16 grams reactivate c) 32 grams d) 93 grams

All of the following are examples of service-learning opportunities except: a. donating time to senior citizen war veterans and writing a report about the experience for your u.s. history class. b. getting a part-time job at a habitat restoration center. c. reading to second-grade students as part of your assigned reading time for your english class. d. planting trees in your community and then discussing global warming in your science class.

Which of these international trade concepts results in specialization and trade increases in total world output? a) absolute advantage b) balance of payments c) absolute advantage d) international tariffs

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