I don't know because your question is very unclear
UV exposure that leads to sunburn is proven in developing melanoma, the most dangerous of the three most common types of skin cancer.
Find the hydroxide ion concentration of a solution with a pOH of 5.90. To solve this, use a scientific calculator and enter 5.90 and use the +/- button to make it negative and then press the 10x key.
To begin calculating, there is one thing you need to remember :

Then we have

As you know decomposition of 2moles now has prodused <span>196kj
So, </span><span>q is made due </span>


I'm sure it will help.
To measure the kinetic engery from the inside and outside of something to be able to tell how hot or coll something is.. without touching it also