4. Why is it important to not rely solely on visual inspection of a fiber to determine its identity?

choose the answer How is a crystal lattice related to a unit cell? A. A crystal lattice is a highly-ordered example ofa unit cel. B. A crystal lattice forms from several unit cells that overlap and merge. C.

Which of the following sets contains a substance that could not be used as an acid base indicator?

What mass of caco3 (in grams) is needed to make 10.5 l of a 1.50 m caco3 solution?

Which may be true for a substance that absorbs energy? A. The energy decreases the molecular motion but increases the kinetic energy of the substance. B. The energy increases the molecular motion and the kinetic energy of the substance. C.

What are the following equations for each: 1. Ratio of product concentrations reactant concentrations at equilibrium. 2. Ratio of partial pressures of products to partial pressures of reactants (for gas phase reactions only) at equilibrium 3.

7. A perfect cube has a width of 2 cm. What is the cube's volume? Show your work!

Predict at least two circumstances (outside influences) that would cause a system in equilibrium to change the concentrations of its reactants or products.,

How many atoms are there in 2.3 grams of H?

Which of the following would dissolve in water, and why? None of these substances would dissolve in water Candle wax, it is a nonpolar substance Motor oil, its primary IMF is London Dispersion Forces Acetic acid, it ionizes into ions when added to

Have a region surrounding the central area called