what is the density of a substance that has a mass of 2.0 g, and when placed in a graduated cylinder the volume rose from 70 mL to 75 mL

2Al + 3Br2 - - > 2AlBr3 a) Which chemical is the limiting reactant? b) Which chemical must be the excess reactant? c) How much (in moles) AlBr3 gets produced? d) If all the limiting reactant gets used up, how much of the excess reactant is left?

Are ionic compounds or covalent compounds usually soluble in water

Which feature is most likely found at a divergent boundary?

Which of the following compounds has only one atom of carbon? A. CO2 B. HCI C. C2H6 D. C2H2

How many grams of barium hydroxide are required to dissolve in 156 g of water to make a 0.247M solution

What does the dashes line represent? A. Medium B. Boundary C. Normal D. Incident Ray

Only a small amount of cerium oxide nanoparticles is needed because the nanoparticles ... 1) are elements 2) are very reactive 3) have a high surface area to volume ration

Describe the solubility of water compared to ethanol?

When the free-energy change (AG) of a reaction is negative, the reaction is said to be: Endergonic Non spontaneous Spontaneous Endothermic

The solubility of carbon dioxide gas in water can be increased by