How many significant figures are in a measurement of 28.050 km?

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!

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

How many neutrons does an element have if its atomic number is 50 and its mass number is 166