How many grams of H2 are needed to produce 12.51 g of NH3?

is it a purebred? it looks more like a red nose, but it doesn't have the red could it be a staffordshire bull terrior? unsure if that's the right name for it sorry

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.

answersilicon (si); oxygen (o);