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Physics, 21.06.2019 21:00
Iron reacts with sulfur to form iron sulfide. if 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?
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Physics, 22.06.2019 17:40
A15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°c to 175°c. what is the specific heat capacity of iron?
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Physics, 22.06.2019 19:40
Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.
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Physics, 22.06.2019 20:00
Which is the most accurate name for the covalent compound p2o3?
Answers: 2
Biology, 07.07.2019 21:20
Biology, 07.07.2019 21:20
Biology, 07.07.2019 21:20
Biology, 07.07.2019 21:20
History, 07.07.2019 21:20
Mathematics, 07.07.2019 21:20
Mathematics, 07.07.2019 21:20
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Chemistry, 07.07.2019 21:20