In what layer of the skin is melanin found? What does melanin do for skin cells?

The rate constant for this second‑order reaction is 0.550 M-1⋅s-1 at 300∘C. A ⟶ productsHow long, in seconds, would it take for the concentration of A to decrease from 0.800 M to 0.380 M?

What are the four types of chemical reactions

When a thermometer is placed in a beaker of warm water, the liquid rises. Why does this happen?

What is chemical formula of Sodium ethoxide?

Why would water displacement be the preferred method for determining volume, even if the object were regularly shaped (cube, cylinder, etc.) ?

What happens to ice as it melts? A. The average kinetic energy of the water molecules decreases. B. The released energy increases the intermolecular forces. C. The absorbed energy breaks apart intermolecular forces. D.

Why do scientists think that the solar nebula is important for earth

How many liters in. 75 moles of methane gas at stp?

Is B2O3 molecular or ionic

In which scenario does radiation occur? A. warming soup on a stove B. drying towels at the beach C. cooking eggs in boiling water D. warming a sore muscle with a hot pack