Why secondary pollutants are more harmful than primary pollutants

Why dosn't the density of an object change when you adjust the volume and mass?

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? a burning fossil fuels contributes to climate change. b burning fossil fuels takes place inside expensive fuel cells.

H2CO3 is used in soft drinks. What is the name of this compound?

The escape velocity required for gas molecules to overcome the earth's gravity and go off to outer space is 1.12 * 10^3 m/s at 15 degrees Celsius. Calculate the molar mass of a species with that velocity.

Which is true regarding covalent substances placed in water? A. Covalent substances conduct electricity very well in water. B. The molecules aren't separated from one another by water molecules. C.

The pOH of a solution is 13.28. What is the [OH]

If you can choose any animal in the world to be, what animal would you choose. (I'd be a wolf or a dog, mostly a wolf)

Determine the molecular geometry about each interior nitrogen atom of n2h4.

When all of the bulbs in the parallel circuit were first lit, did they all illuminate equally?

1. Electronegativity is the ... a. amount of energy required to remove the most loosely bound electron from an atom. b. tendency of an atom to lose an electron to another atom. c.