Why would it be unwise to take a hot air balloon ride in the upper atmosphere? (The chapter is about Pressure)

Which of the following is an example of a nonmetallic mineral? a. sulfur b. lead c. aluminum d. gold

What distinguishes a substance from a mixture? Mixtures can be separated physically, while compounds cannot. Samples of the same substance can have different intensive properties. Substances are compounds, and mixtures are not.

Carbon dioxide = 1 atom of carbon + 2 atoms of oxygen

A 806.3 ng sample of an unknown radioactive substance was placed in storage and its mass measured periodically. after 47 days the amount of radioactive substance had decreased to 100.8 ng.

The molar solubility of ba3 (po4) 2 is 8.89 x 10-9 m in pure water. calculate the ksp for ba3 (po4) 2. the molar solubility of ba3 (po4) 2 is 8.89 x 10-9 m in pure water. calculate the ksp for ba3 (po4) 2. 5.55 x 10-41 5.33 x 10-37 8.16 x 10-31 6.

What types of mixtures are these? peanuts and almonds mixed together in a bowl food coloring dissolved in water a cup of tea and sugar a bucket full of sand and gravel

Summarize the relationship between an electron's energy level and its location in an atom

A salt dissolves in water and the temperature of the water decreases what is this called

What particle was discovered by Curie?

DNA molecules are replicated during what part of the cell cycle