Given the balanced equation:
2c + 3h2==> c2h6
what is the total number of moles of c that must completely react to produce 2.0 moles of c2h6?
(1) 1.0 mol (3) 3.0 mol
(2) 2.0 mol (4) 4.0 mol

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

Why does asexual reproduction result in offspring with identicle genetic variation

How do you calculate the mass of a product when the amounts of more than one reactant are given?