PLEASE ANSWER This chemical equation represents a chemical equation.

2HNO3 + Na2SO3 → 2NaNO3 + H2O + SO2

Which chemical is a reactant in the reaction?

a. H2O
b. Na2SO3
c. SO2
d. NaNO3​

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]