Is Pb (NO3) 2 soluble or insoluble?

A period three element has 738, 1451, and 7733 kj/mol as its first three ionization energies. what is the symbol of this element?

The decomposition of SOCl2 is first-order in SOCl2. If the half-life for the reaction is 4.1 hr, how long would it take for the concentration of SOCl2 to drop from 0.36 M to 0.045 M?

What is the charge on an atom of hydrogen

A gas has a volume of 2.60 liters at a temperature of 87 degrees Celsius and pressure of 1.30 atm. What is the volume of gas, at a temperature of 367 degrees celcis and a pressure off 4.70atm

What is the molarity of a concentrated hbr solution if the solution is 27.7% hbr by mass and has a density of 1.24 g/ml

Why do scientist sometimes discard theories? A - the steps Scientific met that were not followed in order B - public opinion disagrees with the theory C - the theory is opposed by the church D - contradictory observations are found E - congress

The total number of protons and neutrons in a atom is its?

The original atmosphere of earth had little oxygen. what was the likely first source of oxygen that led to an oxygen atmosphere?

A depiction of the arrangement of atoms in molecules and polyatomic ions

If an automobile travels at 30. m/s for 2 minutes, how far has the car traveled?