The reaction between chlorine and hydrogen occurs in the presence of sunlight at room temperature while that between fluorine and hydrogen occurs in the dark and at low temperatures. Explain why.

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

How far is the region from the equator or control climate