For two metals a and b with different molar masses of 40 micro. when there is the same amount of smoke, the molten metal is 0.375 moles of metal. confirmation of metal name 3

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.