He substance, cocl2, is useful as a humidity indicator because it changes from pale blue to pink as it gains water from moist air. What is its name?

When 20 milliliters of 1.0m hcl is diluted to a total volume of 60 milliliters, the concentration of the resulting solution is?

What are the Characteristics you would look for to identify plasma substance

All biomolecules contain carbon. what properties of carbon make it so versatile? it: a. forms stable covalent bonds with itself b. forms stable covalent bonds with h, o, and n c. forms double bonds with itself, o and n d.

1A, 3B, and 7A are examples of group what on the periodic table.

How would you calculate the difference in enthalpy?

Which elements have similar behavior? A. Barium B. Silicon C. Aluminum D. Strontium E. Osmium F. Beryllium

Which statement best explains why the overall charge on an atom is zero?

The outermost layer of the atmosphere is what

Choose the correct statement regarding the behavior of water. a. The water phase with the highest heat capacity is gas vapor. b. The liquid-to-vapor phase change of water requires less energy than the ice-to-liquid phase change. c.

What is the bond angle for a trigonal pyramidal molecule?