CO2 + 2 NH3 → OC(NH2)2 + H2O If 255.85 grams of NH3 are reacted, how many grams of H2O will be produced?

explanation:

crosscutting concepts have application across all domains of science. as such, they are a way of linking the different domains of science. they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

6.4 cm (max) - 25 cm (min)

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

a corroding iron, if that's one of your choices