Chemistry, 14.11.2019 04:31 jahnoibenjamin
A140.0 l weather balloon filled with 5.50 moles of helium has a small leak. if the helium leaks at a rate of 10.0 mmol/hr, what is the volume of the balloon after 45.0 hours?
Answers: 3
Chemistry, 22.06.2019 09:00
Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?
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Chemistry, 23.06.2019 02:00
The bone of a dinosaur and the imprint of a leaf are examples of which kind of fossils? a) index b) body c) amber d) trace
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Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.
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How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.
Answers: 1
A140.0 l weather balloon filled with 5.50 moles of helium has a small leak. if the helium leaks at a...
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