Why are chemical equations balanced? Write an example of balanced chemical equation.

C3H8+O2–>H2O+CO2

They need to be balanced so they can follow the low of conversation of mass

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.