PLEASE HELP ME I NEED TO SUBMIT RIGHT NOW An isotope has more or less in the nucleus.

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Find the mass, in grams, of 5.00*10^23 molecules of f2