Of 282 kJ
In a hypothetical element, two overgy levels
are separated by
mol. What wavelength of light (in nm) is
involved for an electron to change
these two levels?​

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

How have the greenhouse gasses increased from the year 2000 to 2018