Why is a buffer important?

According to the equation for this chemical reaction, what does the 2 in front of 2Ag tell us? A) Two atoms of silver are lost in this reaction. B) Two atoms of silver are produced by this reaction.

What is an atomic mass unit? Why is it necessary to introduce such a unit?

Which type of electromagnetic waves has more energy, an ultraviolet wave or an infrared wave? How can you tell this by looking at the electromagnetic spectrum?

If 91.9 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.684 g of precipitate, what is the molarity of silver ion in the original solution?

F an atom has 3 electrons outside of its nucleus, which combination of protons and neutrons would result in a neutral atom

What are two type of minerals?

Which symbols would be included in the noble gas notation for an element that had valence electrons in the 5s subshell? Ar Kr Xe Rn

A sample of sulfur dioxide occupies a volume of 562 mL at 45.° C and 720 kPa. What volume will the sulfur dioxide occupy at STP?

Does a solution have to involve a liquid? Explain your answer

Dog hdgfbxhs dsddssdd