Which element has the highest melting point? (1) tantalum (3) osmium
(2) rhenium (4) hafnium...
Chemistry, 15.01.2020 07:31 1031kylepoe03
Which element has the highest melting point? (1) tantalum (3) osmium
(2) rhenium (4) hafnium
Answers: 2
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Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
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Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
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Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.
Answers: 3
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Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
Answers: 1
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