What is a polyatomic ion? Also, how do I identify that sulphate is a polyatomic ion?

When placed in a 100mL cube shaped box a substance fills the cube and has a volume of 100 mL. When places in a 50mL tube that same amount of substance fills the tube and thus has a 50mL volume.

If a reaction has an equilibrium constant slightly greater than 1, what type of reaction is it?

Suppose you mix two colorless liquids together and a green solid settles to the bottom of the container. explain why you might be confident that a chemical change has taken place.

Determine the ph of a 0.18 m h2co3 solution. carbonic acid is a diprotic acid whose ka1 = 4.3 * 10-7 and ka2 = 5.6 * 10-11. determine the ph of a 0.18 m h2co3 solution. carbonic acid is a diprotic acid whose ka1 = 4.3 * 10-7 and ka2 = 5.6 * 10-11. 4.

What would make bromide salt insoluble in water?

A chemical reaction adds a benzene ring to the third carbon of hexane. What hydrocarbon is formed?

What is the effect on vapor pressure of a solution with particularly strong solute-solvent interactions? With particularly weak solute-solvent interactions?

What is the mass of 3.62X10^24 molecules of methanol

Which elements are correctly listed in order of increasing ionization energy? 1. o < f < ne 2. o < s < se 3. n < p < as 4. c < n < o 5. n < o < f?

Which of the following is not a drawback of using lithium batteries? A. Lithium's reactivity can cause explosions. B. Lithium batteries require the use of toxic materials. C. Lithium is more easily oxidized than any other metal. D.