What has to happen to a substance in order for you to observe it's chemical properties

What is the total number of moles of solute contained in 0.5 liter of 3.0 m

How many valence electrons are in the element nitrogen

An atom of 90/38 Sr decays by gamma decay. which atom is left after the decay?

What are substances composed of 2 or more different atoms that are united by bonds of any type?

Which of the following is an example of a homogeneous mixture? A. Bronze B. Sand C. Copper D. Zinc

chromium can combine with chlorine to from corneum chloride which equation is a correct representation of this reaction

What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass = 64.23 amu (26.0%), and one with mass = 65.32 amu? (a) 65.3 amu (b) 64.4 amu (c) 64.9 amu (d) 65.0 amu (e) 64.8 amu

Is this base a physical or chemical property?

Classify each of the following aqueous solutions as a nonelectrolyte, weak electrolyte, or strong electrolyte. a) LiClO4 b) HClO c) CH3CH2CH2OH d) HClO3 e) CuSO4 f) C12H22O11

Give examples of temporaty physical change