What word chemical equation describes Cavendish’s experiment with zinc?
Answers
Answer: zinc + hydrochloric acid → hydrogen + unknown substance(s) in the flask
Answer:
Cavendish's test used to be widespread due to the fact it furnished correct measurements of the residences of hydrogen gas, which helped to set up the imperative concepts of chemistry.
Explanation:
Cavendish's test with zinc worried a chemical response between zinc and hydrochloric acid. In this reaction, the zinc metallic (Zn) reacts with the hydrochloric acid (HCl) to structure hydrogen gasoline (H2) and zinc chloride (ZnCl2), a soluble salt.
The balanced chemical equation for this response suggests that one mole of zinc reacts with two moles of hydrochloric acid to produce one mole of hydrogen gasoline and one mole of zinc chloride. The response is exothermic, which means that it releases power in the shape of heat.
Cavendish gathered the hydrogen gasoline that was once produced in the response and measured its properties, which includes its density. He used this records to decide the mass of one mole of hydrogen gas, which is now recognized as the molar mass of hydrogen.
Cavendish's test used to be widespread due to the fact it furnished correct measurements of the residences of hydrogen gas, which helped to set up the imperative concepts of chemistry. It additionally led to the improvement of the notion of the mole and the dedication of atomic and molecular weights.
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