Describe how a crystal of alum differs from a crystal of potassium aluminum sulfate

Which of these is a neutral salt? Na2SO4 NaCN KF (NH4) 2SO4

Why are some mystery elements easier to identify than others?

What is the concentration of k + ions in a 0.045 m k2co3 solution assuming complete dissociation? express the concentration in molarity?

Given the chemical equation, predict the ΔSsystem for the change. C12H22O11 (s) C12H22O11 (aq) positive ΔS negative ΔS

Which of the following are correct statements? Check all that apply. A. An atom is the basic unit matter. B. The atomic number is the number of neutrons an atom has. C. The number of electrons an atom has defines what kind of element it is D.

The burning of wood in a fireplace generates heat and light in the form of flames. Which of the following terms best describes this type of reaction? a. condensation reaction b. exergonic reaction c. endergonic reaction d.

How are the number of protons and the number of neutrons related?

If a sample of copper with a density of 8.90 g/cm3 displaces 13.0 mL of water when placed in a beaker, what is its mass? a 1.46 g b. 0.685 g c. 116 g

Which statement accurately describes the origin and expansion of the universe

Conversion. 5 km to inches