Chemistry, 09.10.2020 04:01 adamkinney6110
A helium-filled balloon has a volume of 2.75 L at 20 C. The volume of the balloon
decreases to 2.46 L after it is placed outside on a cold day. What is the outside
temperature in C?
Answers: 3
Chemistry, 22.06.2019 01:30
(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?
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Chemistry, 22.06.2019 05:30
Modern weaponry has increased the number of deaths in wars and violent conflicts.
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Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
Chemistry, 22.06.2019 18:00
How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.
Answers: 3
A helium-filled balloon has a volume of 2.75 L at 20 C. The volume of the balloon
decreases to 2.46...
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