How is the mass of a gaseous substance affected after it condenses?

A. It increases.

B. It decreases.

C. It stays the same.

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