Empirical formula 78.3% Ba and 21.7%F

3. The temperature of a fixed mass of gas in a rigid container is decreased from 127.00 degrees Celsius to 27.0 degrees Celsius. The initial pressure was 1000. mmHg. What is the new pressure, in mmHg, after cooling?

What is the Nuclear Equation for Alpha decay of berkelium-247.

Convert mass to moles for both reactants. 2.50g CuCl2 0.50g Al

Why can scientists ignore the forces of attraction between particles in a gas under ordinary conditions

How do you find the name of the chemical formula Pb3N4 (the 3 and 4 are subscripts)

Prepare a solution that is 0.1 M acetic acid and 0.1 M sodium acetate by measuring out 5.0 mL of the 1.0 M acetic acid solution and 5.0 mL of the 1.0 M sodium acetate solution in a 100 mL graduated cylinder, diluting the 10.

Which element has an ion that is smaller than an ion of calcium?

Which factor is responsible for the weak attraction between diatomic molecules of the halogens (group 7A) ? A) Hydrogen bonding B) Ionic bonding C) Dipole interactions D) London dispersion forces

Which is the correct equation for refractive index?

Alcl3) and lithium sulfate (li2so4) (note - this is a double replacement reaction. you need this information to predict the products of the reaction)