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Molar Volume of a Gas Definition
The volume of one mole of an ideal gas at standard temperature and pressure is called molar volume of a gas and is equal to 22.414 dm3 at STP (Standard temperature & pressure) & 24 dm3 at RTP (Room temperature & pressure). Explanation: At standard temperature and pressure: 2 g of hydrogen (H2) = 1…
Reactions Kinetics Quiz Online
Reaction Kinetics concepts are essential to learning for every level in chemistry courses. Here, we have compiled many Reaction Kinetics quizzes free for students of grades 11 and 12. We hope you will find this very useful for your regular exam preparations and entry tests at undergraduate levels, particularly for medical and engineering students (MDCAT,…
History of atom | John Dalton’s atomic theory
According to Greek philosophers, matter is composed of very small particles which cannot be further divided. DEMOCRITUS (460-370BC) named these particles as atoms derived from a Greek word “ATOMOS” which mean indivisible. The ideas of Greek philosophers were not experimental based. In the late 17th century, the quantitative analysis of many substances disclosed that they…
Atomic Structure Quiz Online
Atomic Structure concepts are essential to learning for every level in chemistry courses. Here, we have compiled many Atomic Structure quizzes free for students of grades 11 and 12. We hope you will find this very useful for your regular exam preparations and entry tests at undergraduate levels, particularly for medical and engineering students (MDCAT,…
Chemical Bonding Quiz Online
Chemical Bonding concepts are essential to learning for every level in chemistry courses. Here, we have compiled many Chemical Bonding quizzes free for students of grades 11 and 12. We hope you will find this very useful for your regular exam preparations and entry tests at undergraduate levels, particularly for medical and engineering students (MDCAT,…
