A reusable hot pack made of a supersaturated sodium acetate solution that crystallizes spontaneously once triggered by a metal piece releases heat. A balloon filled with hydrogen gas also releases ...

Since electrolysis cannot occur with pure water, sodium hydroxide (NaOH ... Ultimately enough hydrogen gas was collected to fill a lot of party balloons, and with the provided information in ...

A Vietnamese girl suffered burns on her face when a hydrogen balloon ... throws the cake and balloons and covers her face with her hands. She splashed water on her face to alleviate the burning ...

Startled and in pain, she immediately dropped the cake and balloons, covered her face with her hands, and rushed to the bathroom. She doused her face with water to ease the burning sensation ...

A reusable hot pack made of a supersaturated sodium acetate solution that crystallizes spontaneously once triggered by a metal piece releases heat. A balloon filled with hydrogen gas also releases ...