the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiati...

Chemistry, 05.06.2021 03:10 Lilabbychichi

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Chemistry, 22.06.2019 00:30, lasagnafoe

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

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Chemistry, 22.06.2019 14:30, Mlmyers81

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?

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Chemistry, 22.06.2019 21:50, namoralessimon03

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action

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Chemistry, 23.06.2019 01:30, yarrito20011307

Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.