Need help Uranium-235 has a half-life of 700,000,000 years. How long will it take for 100g of uranium-235 to decay to 1g?

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

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.

Adepositional also feature that forms where a stream enters a lake or an ocean is a