Answer: For a chemical reaction to occur, the reactions need to resolve obstacles for activation. The activation barrier is the sum of the... View Article
The molecularity of a reaction is defined as the number of reacting molecules which collide simultaneously to bring about a chemical reaction. In... View Article
There are two ways to express the reaction rates and they are: Average rate of reaction Instantaneous rate of reaction Instantaneous rate... View Article
Noble metals such as gold and platinum do not corrode easily. Corrosion is a natural phenomenon. Corrosion is a chemical reaction that takes... View Article
Alloys are metal mixtures with other elements, the precise combination of which is governed by the properties required. In general, alloys are... View Article
I onic compounds can be defined as crystalline solids formed by neatly packed ions of opposite charge. Ionic compounds are usually formed when... View Article
Answer: The rate constant is defined as the proportionality constant which explains the relationship between the molar concentration of the... View Article
Answer: If the tracks are covered with snow then there is a substantial reduction in frictional force between the track and the train wheels or... View Article
Some of the more important properties peculiar to solids are malleability and ductility. Ductility is the property of being drawn into wire.... View Article
It is usually seen that during rainy days we tend to slip because rainwater acts as a lubricant between our feet and ground. This lubrication... View Article
The collision theory plays a vital role in the study of chemical reactions and their kinetics. The behaviour of gases, atoms and molecules can... View Article
The coefficient of friction is defined as the ratio of the force of friction acting between two objects and the force which is pushing them... View Article
In chemistry, a catalyst is any substance that increases a reaction rate without being consumed on its own. In other words it's a substance that... View Article
The average rate of reaction is an average rate, obtained by taking the change in concentration over a time period. For example: -0.3 M / 15... View Article
Banking of roads is defined as the phenomenon in which the edges are raised for the curved roads above the inner edge to provide the necessary... View Article
Answer: A covalent bond is formed by the equal sharing of electrons from both the participating atoms. The pair of electrons participating in... View Article
Answer: The collision theory states that a chemical reaction can only occur between particles when they collide (hit each other). The collision... View Article
It is not possible to stop the car if even the brakes are perfect because for a car to stop in a zero time interval, the deceleration required... View Article
