Why is the reaction rate for reactants defined as the negative  of the change in reactant concentration with respect to time, whereas for products it is defined as the change in reactant concentration with respect to time (with a positive sign)?

Q: A catalyst increases the rate of a reaction by Group of answer choices increasing the concentration…

A: Chemical kinetics is the study of the reaction that how fast or slow a reaction is taking place. The…

Q: Give the rate equation describing the reaction. How long will the reaction take to come to an end.…

A: According to the previous calculations, the reaction is 1st order with respect to the reactant…

Q: Which of the following theoretical factors decreases the rate of a reaction? (a) decrease collision…

A: The collision theory says that the reactant molecules collide with each other and some collision…

Q: What is the relationship between each of the following factors and the reaction rate of temperature,…

A: Rate of any reaction is given by  Rate of reaction = K X product of ( [reactants]order ) where order…

Q: How does an increase in temperature affect rate of reaction? Explain this effect in terms of the…

A: The rate of reaction increases with increase in temperature, and rate of reaction decreases with…