Why is a mole of oxygen and a mole of oxygen gas a different molar mass?

Transamination removes the amino group to form a carbon skeleton that contains only carbon, hydrogen, and oxygen atoms. True or false.

Suppose that you carefully weigh pieces of zinc and copper metal and construct a voltaic cell. After allowing the current to flow for some time, you carefully dry the pieces of metal and weigh them again.

Why is water an effective solvent for many different types of compounds?

In a 0.25 m aqueous solution of sodium phosphate, what is the total concentration of all ions?

How many moles is 1.50 x10^23 molecules of nh3

Whats the answer i need to know to get my paper done and if i don't get done i will fail chemistry.

3. Hydrogen cyanide (HCN) is a colorless gas. It is poisonous and smells like almonds. Draw a Lewis structure for this compound, explain why you drew the Lewis structure the way that you did, and predict the shape of the molecule

Why would it be important to know what diseases are zoonotic?

if the stabilized has on the display of a digital top loading balance reads 3.070 g which digits should have recorded on your data page? How many significant figured does your record number have?

Passing of traits from parents to offspring is called