Which equation is balanced? A) Mg3N2 + H2O 3MgO + 2NH3
B) C3H8 + 5O2 H2O + 3CO2
C) Zn + 2HCl ZnCl2 + H2
D) 3H2SO4 + 2Fe Fe2(SO4)3 + H2

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

What natural processes produce large quantities of co2