Two Balloons one filled with hydrogen gas and second filled with neon gas. what gas should be used in an experiement to identify the element in each balloon?

Explanation:This exothermic reaction yields 232 kJ/mol of water formed. The rapid release of a considerable amount of energy causes the surrounding air to expand suddenly, resulting in a sharp expolsion. When pure hydrogen is ignited, the reaction with the surrounding air is less rapid, the sound is less loud, and a significantly larger flame is produced. The comparatively mild sounds emitted when the helium balloons are ignited are caused by the rupturing of the balloons and the escape of the gas. The explosions are caused by a sudden pressure effect through the action of heat on produced or adjacent gases.

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the answer is d. 74.02