An element initially weighed 3.555 g. when it was burned in oxygen an oxide compound was produced. the product mass was 4.666 g.

a.) what is the mass of oxygen in the product?

b.) what is the mass percent of oxygen in the product? show all work ( including working formula, setup and unit).

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.

Which functions of water in living systems would still be possible if water was not polar and did not form hydrogen bonds? check all that apply. climate regulation dissolving ionic compounds for biological reactions providing body support by exerting pressure on cell walls providing body support through buoyancy transport of nutrients within organisms temperature regulation in many organisms

There is a set up transformer that doubles the voltage. if the primary coil has a voltage of 10 v