How many moles of hydrogen could be produced in the complete decomposition of 2.50 moles of c7h5n3o6?

There are main groups in the modern periodic table of elements

What is the relationship of air masses and the temperature of oceans?

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.