What is the name of the compound K3N?

A. Tricalcium nitride

B. Calcium nitrate

C. Potassium nitride

D. Potassium nitrate

Why does changing the volume of a container change the pressure of the gas in it? A: Changing the volume reduces the number of molecules so they hit the walls of the container less often.

An energy pyramid illustrates that energy in the form of (blank) is lost to the surrondings as it is passed from one organism to the next

Irene looks outside her window to see a crescent moon. Several days later, the Moon is gibbous. How will the Moon appear in its next stage?

On another planet, the isotopes of titanium have the following natural abundances. a. Isotope 46Ti Abundance 70.900% Mass (amu) 45.95263 b. Isotope 48Ti Abundance 10.000% Mass (amu) 47.94795 c. Isotope 50Ti Abundance 19.100% Mass (amu) 49.94479 d.

What is the percent CdSO4 by mass in a 1.00 m aqueous CdSO4 solution?

What is an atom?

Sodium will react with oxygen to form sodium oxide. use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction.

How many atoms in 2.8 mol of neon?

Which best explains why blood and the cytoplasm of cells are mainly composed of liquid water? a. Water is a common substance and is readily available. b. Water is an important transport and reaction medium. c.

Can you describe how mixtures relate to substances?