Calculate the specific heat (j/g∘c) for a 18.5-g sample of tin that absorbs 183 j when temperature increases from 35.0 ∘c to 78.6 ∘c.

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

What are the 4 phases of matter in order of increasing engery content?

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation