How many liters of H2 would be formed at 540 mm Hg and 17 ∘C if 24.5 g of zinc was allowed to react?

Ibelieve your answer is true 

Answer) by studying proton collisions hope this : )

The metal is named first

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.