What is the main intermolecular force in h2co?
(dipole dipole, hydrogen bond, london dispersion, polar/nonpolar)

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

How many grams are in 68.2 molecules of br2?

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea