A small crystal of the slightly soluble salt, CaSO4, dissolves in a solution of calcium sulfate. The original solution must have been:

dilute and saturated

dilute and unsaturated

concentrated and saturated

concentrated and unsaturated

5. What does it mean if an isotope is "fissile"?

Compare and contrast substances and mixtures with two examples

What is a very long molecule that has chemicals in a special order?

If you were to pour 4 different liquids into a glass and the liquids separated into 4 layers, which liquid would have the highest density? A. the layer at the top of the glass B. the third layer from the bottom of the glass C.

The variable that you plan to change during the course of an experiment is?

Ollie wants to sign up with an online social network called TeensMeet, which other kids at school have joined.

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