05 Sep Startling Facts at chemistry tuition
Hi, and welcome back to our chemistry tuition lesson. We are back for our chemistry admirers with more startling facts. Today, in our chemistry tuition lesson, we...
Hi, and welcome back to our chemistry tuition lesson. We are back for our chemistry admirers with more startling facts. Today, in our chemistry tuition lesson, we...
Hi, and welcome back to your Chemistry Tuition. We hope you have been enjoying your recent classes and practicing your everyday science as well. Today, in your...
Hello, and welcome back to your Science Tuition. Today we are here to blow you away with some of the chemistry facts which will make you...
Hi, and welcome back to chemistry tuition. We hope you have been practicing your previous chemistry lessons. Today we are back again with an intriguing topic....
7) Aqueous hydrogen peroxide is used to sterilise contact lenses. At room temperature, aqueous hydrogen peroxide decomposes very slowly to form water and oxygen. The decomposition can...
a) (i) Give evidence from the diagram which demonstrates that the above reaction is exothermic. ……………………………………………………………………………………………… (ii) Construct the balanced chemical equation for the above reaction....
Terephthoyl chloride and ethylene glycol react by polymerisation to produce a polymer called poly(ethylene terephthalate), commonly known as PET. PET is used to make soft...
Terephthoyl chloride and ethylene glycol react by polymerisation to produce a polymer called poly(ethylene terephthalate), commonly known as PET. PET is used to make soft...
Methane, CH4, is the major constituent of natural gas. (a) Draw a dot-and cross-diagram to show how the outer shell electrons are arranged in methane. (b) At a...
3 . Methane, CH4, is the major constituent of natural gas. (a) Draw a dot-and cross-diagram to show how the outer shell electrons are arranged in methane. ...