What is the energy of a photon from the violet portion of the Sun's light if it has a frequency of 7.230 x 10^14 Hz? *
6.26 x 10^-34 J/s
O 1.09 x 10^48 J
O 4.79 x 10^-19 J
O 9.16 c=x 10^-20 J

Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

Which of the following units is not an official si unit? mole liter kilogram ampere