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​

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains