se mezclan ch4 con 10 g de hidrogeno gaseoso. si la masa molar de la mezcla es 14 g/mol. halla la masa del gas metano.

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.