C3H8 + xO2 > 3CO2 + yH2O
which value of x and y balance the equations

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

What is the value of the standard enthalpy of formation of an element in its most stable form?