For the oxidation of ammonia 4NH3+3O2⟶2N2+6H2O
it was found that the rate of formation of N2 was 0.27 mol L–1 s–1.
At what rate was O2 being consumed?

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.

Which element would mostly likely have an electron affinity measuring closest to zero

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123