What is anything that has mass and takes up space considered to be?

A photon has a frequency of 2.9 * 10-16 Hz. Planck's constant is 6.63 * 10-34 J•s. The energy of the photon, to the nearest tenths place, is___ * 10-49 J.

What state is SnCl4 at room temperature?

Calculate the density of methanol (CH3OH) ?

Explain what happens to a gas when it is put into a container?

The molar mass of an unknown organic liquid (M ~ 100) is determined by placing 5 mL of the liquid in a weighed 125-mL conical flask fitted with a piece of Al foil with a pin hole in it.

A main function of a plant's seed is to

What are two metals found in the outer core

How do the solvent and solute differ in a solution

Balance and evaluate the following equation: AgNO3 (aq) + PbBr2 (s) yields AgBr (s) + Pb (NO3) 2 (aq)

Which substance contains bonds that involved the transfer of electrons from one atom to another? (1) CO2 (3) KBr (2) NH3 (4) Cl2