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

Solid iron reacts with aqueous copper (II) sulfate to produce solid copper and aqueous iron (II) sulfate . Write a balanced chemical equation for this reaction.

George is writing an essay about the role of observation and inference in the development of the atomic theory. He wants to explain why it was more difficult to observe the presence of neutrons in atoms.

What are the key characteristics of a combustion and redox reactions?

Why does 40.0 g of NaOH added to 1.00 L of water not make a 1.00 M NaOH solution

Which is not an indication of a chemical change

Which of the following statements describes a physical property? The substance has a higher density than water. A. The substance forms a solid when reacted with silver nitrate. B. The substance is highly reactive. C.

Using the 5M NaCI and 10% glucose stock solutions you generated, how would you prepare 100 ml of a solution that is both 150mM NaCl and 1 % glucose?

To create a tint, you would mix a hue with

What property of matter best describes the way a typical alcohol thermometer works?

A certain half-reaction has a standard reduction potential. an engineer proposes using this half-reaction at the anode of a galvanic cell that must provide at least of electrical power. the cell will operate under standard conditions.