Answer:
Explanation:
A = Absorbance of solution
E = Molar absorptivity
l = Length of cuvette = 1 cm
c = Concentration of solution
Beer's law is given by
The equation of a straight line is given by
Comparing the above equations we get
Value on 
axis = A = Absorbance of solution = 0.23
= Slope of line = El = Molar absorptivity multiplied with length = 
= Value of x axis = c = Concentration of solution
So we get
The molar concentration of the sample is
Nitrogen
Oxygen
Water Vapor
Carbon Dioxide
Methane
Nitrous Oxide
Ozone
Everything else - 3-billion-way tie :)
265
your answer would be 265. Because the charge of +1 means there is one more proton then electron. So, 108 protons plus 157 neutrons gives you your mass number of 265.
Gas Giants are usually bigger than Terrestrial Planets. Gas Giants also have thicker atmospheres, and have gaseous surfaces. Terrestrial planet tend to be smaller, and have solid surfaces. In our solar system, Mercury, Venus, Earth (home), and Mars are Terrestrial planets. While Jupiter, Saturn, Uranus (the planet), and Neptune are Gas Giants. Gas Giants are also known as Jovian planets.
A covalent bond is a bond between 2 non metals, they share electrons. Ionic bonding occurs between a metal and a non-metal, and they transfer electrons.
