A student trying to determine if a liquid was a mixture or a pure substance 3 points made several of the following observations. Which observation would
best support the conclusion that the liquid was a mixture?*
When attached to a circuit the liquid conducted electricty.
When the liquid evaporated, a white residue remained.
The liquid has a density of 1.28 g/ml.
The liquid allowed light to pass through it easily.

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!

How many moles of al3+ ions are in 1.25 moles of al2o3

Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?