Which type of observation involves exact measurement, quantitative or qualitative?

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!

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?