Given the diagrams X, Y, and Z below:

Key

Atom of element A=0

Atom of element B=0

Which diagram or diagrams represent a mixture of

elements A and B?

Write the chemical equation for the reaction of propylamine, c3h7nh2 with water. (include all phases in your answer)

When the liquid state and the gaseous state of a substance are in equilibrium the rate of evaporation is?

What findings led Thomson to infer that particles that are smaller than atoms do exist?

iron has a density of 7.874 g/mL. if a sample of iron has a mass of 7.75 grams, what is the volume of this sample in dL

How many kJ are required to melt 100 grams of water?

How many grams are in 3.0 moles of KCI (potassium chloride) ?

3 During a flame test, a lithium salt produces a characteristic red flame. This red color is produced when electrons in excited lithium atoms (1) are lost by the atoms (2) are gained by the atoms (3) return to lower energy states within the atoms

Select the answers below that represent the ionic compounds in this list: na2so4 h2so4 ch3-ch3 n2o4 cacl2 ca3 (po4) 2

Whats the relationship between the temperature and the density of a substance

The ionic naming rules