4. If you react 100. grams of aluminum chloride, AlCl3, with excess calcium, how many grams of calcium chloride, CaCl, are produced?
C5H12
+
802
+
5 CO2
6 H2O

What happens to energy in an open system?

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this