write the reaction for Zn + HCl
Zn + 2HCl ==> ZnCl2 + H2
In a certain compound of copper and oxygen, a sample weighing 0.5424g contains 0.4831 g of Cu. How many moles of Cu in the sample? How many grams of Oxygen and how many moles of Oxygen are there in the sample? What is the mole ratio of Cu/O in the sample? What is the formula of the oxide and the molar mass of thye copper oxide?
The reaction between zinc (Zn) and hydrochloric acid (HCl) is a displacement reaction and can be represented by the following chemical equation:
Zn + 2HCl -> ZnCl2 + H2
In this reaction, zinc (Zn) reacts with hydrochloric acid (HCl) to produce zinc chloride (ZnCl2) and hydrogen gas (H2). The reaction is classified as a displacement reaction since zinc displaces the hydrogen from the hydrochloric acid, forming zinc chloride and releasing hydrogen gas.