What is the volume when 0.250 moles HBr are used to prepare a 0.600 M solution?

What diagram shows the ionic compound of magnesium oxide

In saturated organic compounds, all the bonds between carbon atoms are called?

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.