Write a balanced equation for a reaction in which gaseous ethane (C2H6) burns in air to form carbon dioxide gas and liquid water. Include physical-state symbols in the equation. What kind of reaction is this?

Your answer should have the same number or significant figures as a he starting measurement. 3201 ml =

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

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.