Zn + 2MnO2 + H2O → Zn(OH)2 + Mn2O3 Determine the limiting reactant if 25g of Zn and 30g of MnO2 are used and what mass of Zn(OH)2 will be produced?

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

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.