One of your classmates is having trouble understanding ions. Explain the formation of an action like this:

A centimeter an millimeter differ from each other by a factor of?

What is the variable for the equilibrium constant Re K Ec E

How to first ionization energies vary within groups and across periods

Which would be most suitable for measuring 2.7 mL of ethanol for addition to a reaction with acidified dichromate? A 10-mL graduated cylinder B 10-mL volumetric flask C 10-mL volumeric pipet D 10-mL beaker

What is the mass of potassium iodide (166.00 g/mol) that yields 0.500 g of lead (ii) iodide (461.0 g/mol) precipitate? (you must balance the equation first) __pb (no3) 2 (aq) + __ki (s) → __pbi2 (s) + __kno3 (aq) 0.0900 g 2.78 g 0.694 g 0.180 g 0.

Which substance is the oxidizing agent in this reaction? 2CuO+C→2Cu+CO2 Express your answer as a chemical formula.

Why does the light bulbs have to be part of the loop in order for it to be succesful?

Which best describes the transition from gas to liquid? Energy must be removed because particles in liquid move more slowly. Energy must be added because particles in liquid move more quickly.

Calculate the mass of a 0.255-ml sample of a liquid with density 0.660 g/ml.

Which statement correctly describes the interaction between magnetic poles? North and south poles attract each other. North and south poles repel each other. Two north poles will attract each other. Two south poles will attract each other.