An element whose general formula for higher oxide is EO3 forms an evaporating hydrogen compound in which the mass fraction of hydrogen is 2.47% .What element is it?

What is the number of moles in 15.0 g ash3?

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.

Give more examples of this type of heat transfer: