Why are parentheses used to write the formula AI (OH) 3

Compare the compressibility of gases and liquids. Support your answer by describing the arrangement of particles in gases and liquids.

Which of the following adaptations to life on land is found in both insects and modern reptiles? A. metamorphosis from a larval form B. body surfaces that resist evaporation C. tracheae to distribute oxygen D. ability to fly E.

Which is a characteristic of s solution? It's particles scatter light. It's particles are evenly distributed. It's particles settle out. It has larger suspended particles.

Which molecule has polar bonding and is nonpolar? HCl, OF2, SF6, HCN, CHF3

21 g each of Li (molar mass = 7 g/mol) and N2 (molar mass = 28 g/mol) are placed in a reaction vessel. What is the maximum mass of Li3N (molar mass = 35) that can be produced?

A motorist travels a distance of 406km. during a 7 hour period. what was the average speed?

When the metal was placed in the calorimeter, its temperature dropped to the equilibrium temperature. Calculate the change in temperature of each metal sample. Record these values in Table B of your Student Guide.

The leading cause for dementia is Alzheimer's disease. True False

An atom of which element has the largest atomic radius? (1) Fe (3) Si (2) Mg (4) Zn

Do amides or amines react with water?