What are example of dense things.

What is the mass in grams of 2.30 x10^23 molecules of Fluorine

What is the [H3O+]in a solution of pOH 0.253

How many atoms are in 3.75 moles of Phosphorus? A) 136 atoms B) 35 atoms C) 6.23x10^-24 atoms D) 2.26x10^24 atoms

Write the complete balanced equation for the following reaction: C7H6O + O2 yields CO2 + H2O

What do lines in an elements line spectrum represent?

An 80 kg volleyball player lands from a jump and tries to stop her forward motion. The normal contact force exerted by the floor on her shoes is 2000 N. The friction force exerted by the floor on her shoes is 600 N acting backward on the player.

How does electronegativity affect the polarity of the bond between two atoms?

How much heat (energy) would need to be absorbed by 1.5 g of liquid water to cause a temperature change of 30.45 °C? The specific heat of water is 4.18 J/gºC.

What happens when electrons are passed from one atom to a more electronegative atom?

Calculate the k sp for zinc hydroxide if the solubility of zn (oh) 2 in pure water is 2.1 * 10-4 g/l. calculate the k sp for zinc hydroxide if the solubility of zn (oh) 2 in pure water is 2.1 * 10-4 g/l. 2.9 * 10-3 1.5 * 10-3 9.9 * 10-18 3.8 * 10-17