Which of these is a mixture?

A. carbon

B. carbon dioxide

C. air

D. oxygen

Which statement about mixtures and solutions is incorrect? A) Some mixtures are solutions. B) All solutions are mixtures. C) No solutions are mixtures. D) Mixtures and solutions are always the same thing.

What describes how the bond between two oxygen atoms is formed

How to predict the formula of an ionic compound based on the charges of the ions?

Why is a neutral iron atom a different element than a neutral carbon atom?

A bubble of helium gas has a volume of 0.65 L near the bottom of a large aquarium where the pressure is 3.4 atm and the temperature is 19°C. Determine the bubble's volume upon rising near the top where the conditions change to 3.2 atm and 36°C.

C2H6 (g) + O2 (g) → CO2 (g) + H2O (g) (not balanced) Determine the number of liters of CO2 formed at STP when 240.0 grams of C2H6 is burned in excess oxygen gas?

What type of change is baking a cake? Why?

The van der Waals forces of attraction between molecules always become stronger as molecular size 1) decreases, and the distance between the molecules increases 2)) increases, and the distance between the molecules decreases 3) decreases, and the

Which civilization formed a confederation thay may have impacted the us government A. Powhatan B. Algonquian C. Iroquois D. Anasazi

Jasmine breathed against the window pane and noticed that her breath made a spot on it from the water vapor in her breath. Which stage of the water cycle does this show? A. precipitation B. evaporation C. condensation D. transpiration