Please help!!How many atoms of carbon are present in 34.5 g of caffeine, C3H10N4O2? 8.57X10^23
O 2.68X10^25
O 4.83X10^23
O 1.08X10^24

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.

What does the symbol (–hfus) indicate in a phase change?

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?