The molar mass of CaO is 56.08 grams / mole. How many formula units are present in 1.50 moles of CaO?
Select one:
a. 5.06 x 1025 formula units Cao
b. 84.1 formula units Cao
c. 2.49 x 10-24 formula units Cao
d. 9.03 x 1023 formula units Cao

Acurium-245 nucleus is hit with a neutron and changes as shown by the equation. complete the equation by filling in the missing parts. 52

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size