Around what year did the global human population reach one

billion people?

What is the correct systematic name of PCl5? (a) Phosphorus chloride (b) Phosphorus pentachloride (c) Monophosphorus chloride (d) Pentachlorophosphorus (e) Pentaphosphorus chloride

What is neutralization?

An ebony carving has a mass of 267g and a volume of 207cm^3 what is the density?

What is the movement of electrons called? 1. electric circuit 2. electric buildup or 3. electric discharge

If a container has a volume of 8.00 L of helium at 20.0oC and a pressure at 3.0 atm, what is the new temperature of this gas when the volume is 4.3 L at a pressure of 1.2 atm?

Individuals who work full time and those who work part-time enjoy basically the same number of paid leave benefits. True False

There is a large increase in ionization energy between the second and the third ionization energies of a metal. What kind of ion is the metal likely to form? Include the charge in your answer.

Which of the following are true statements about equilibrium systems? For the following reaction at equilibrium: CaCO3 (s) ⇌ CaO (s) + CO2 (g) adding more CaCO3 will shift the equilibrium to the right.

How many sulfide ions are present in 23.5g of Sb2S3

2. An automobile tire has a pressure of 210 kPa at 293 K. What will be the tire pressure after driving, if the tire temperature rises to 308 K?