Question 3.15:Explain how rusting of iron is envisaged as setting up of an electrochemical cell.Answer In the process of corrosion, due to the presence of air and moisture, oxidation takes place at a particular spot of an object made of iron. That spot behaves as the anode. The reaction ...
Is the rusting of iron a physical or chemical process? Explain. Why is iodine a solid at room temperature, while the other halogens are not? Explain the difference between a transition state and a reaction intermediate. Explain why the noble gases do not react with other elemen...
Is the rusting of iron a physical or chemical process? Explain. Explain what will be the effect of annealing on metals and semi-crystalline polymers. Is malleability an intensive or extensive property? Explain. Describe quenching, in regards to fluorimetry. ...
How does the size of particles in sediment affect groundwater retention? What would happen if you insert an iron nail in the copper solution? Explain and write the reactions that take place. Zinc coats Iron a...
Is the rusting of iron a physical or chemical process? Explain. How and where did the Periodic table become in existence? Also, how has the periodic table been beneficial to science in a chemistry manner? Why is energy released when bonds are formed?
Why is rusting a chemical change? How does metallic bonding work for stainless steel? Why does metal lose magnetism when heated? Why do we use tungsten, which is a metal having low resistivity to make the filament of a bulb, rather than using an alloy having high resistivity and high ...
What causes metals to rust and what are the chemical reactions that occur to cause rusting? Why would magnesium remove tarnish from silver? Why does CrO3 in acidic water oxidize? Why do metals when reacting with oxygen are called oxides like " magnesium oxide" whereas nonmetals r...
Explain the two factors that increase the rate of chemical reaction and weathering in rocks. Describe physical and chemical changes and their qualities. Is the rusting of iron a physical or chemical process? Explain. (a) Define a Karst formation. (b) Describe the reaction that creates a Karst...
Is the rusting of iron a physical or chemical process? Explain. Explain changes that occur when the following substances are separated heated in oven crucible: a. copper metal b. copper nitrate Explain why the melting point of your prepared alum must either be equal to or be less than...
Is the rusting of iron a physical or chemical process? Explain. Explain why it is harder to stretch nylon compared with kevlar. Can you get metallic Iron out of Fe2O3? If yew, how? Why do you think metals usually have higher densities than other materials? Why metals cannot ...