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.

Which answer correctly describes the difference between covalent and ionic bonds? A. ionic: transfer of protons covalent: transfer of electrons B. ionic: transfer of electrons covalent: transfer of protons C.

What does the atomic mass tell you

Which element (s) are not balanced in this equation? Fe2O3 + 3 CO → Fe + 3 CO2 A. Only the Fe is unbalanced. B. Only the O is unbalanced C. Fe and O are both unbalanced. D. C and O are both unbalanced

Iven the parent compound, draw the mass spectrum fragment that is observed at m/z 77. include any hydrogen atoms and the charge.

The concentration of H3O+ andOH - in pure water are each 1 x 10-7mol/dm3. What is the ion product constant forwater?

An atom's valence electrons are those electrons that have the highest energy True or False?

Gas is squeezed into a small container is it compressibility or heat of combustion

How is pressure related to buoyant force

How are saturated and supersaturated solutions similar?

Cobalt fluoride crystallizes in a closest packed array of fluoride ions, with the cobalt ions filling one-half of the octahedral holes. What is the formula of this compound?