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Chemistry, 21.06.2019 23:00
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
Answers: 1
Chemistry, 22.06.2019 23:10
Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.
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Chemistry, 23.06.2019 00:30
What is bromine+calcium iodide--> calcium bromide +iodine balanced
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Chemistry, 23.06.2019 13:30
Which factors would have influenced earth’s climate during the time of pangea? check all that apply. land covered by glaciers one large landmass one large ocean tectonic activity multiple small seas
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What is the predominant energy source at deep sea hydrothermal vents...
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