What is the % nitrogen by weight in 4.039 mol of ammonium sulfide? answer in units of %?

If a landlord does not allow you to have pets in the building, but allows you to have a dog, is that an exception? Why or why not?

You find small pieces of ice instead of ice cubes in the freezer. State how this is possible.

What elements make up the formula: H2SO4

Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as anti-knocking agents. a 2.475 g sample of one such additive containing only lead, carbon, and hydrogen was burned in an oxygen rich environment.

In which of the following cases would sound reach each ear out of phase?

How do you make glue from jack fruit sap?

A compound is broken down by chemical means during (1) chromatography (2) distillation (3) electrolysis (4) filtration

True of false an unbalanced force cannot change the direction in which an object is moving

What are the primary atoms that make up the scents that we smell?

What happens if sodium sulfide is added to iron (II) sulfide?