What are the three types of transmission modes? Write short notes with advantages and disadvantages.
Based on the direction of data from sender to receiver, there can be 3 types of transmission modes which are simplex, half-duplex, duplex
Based on the direction of data from sender to receiver, there can be 3 types of transmission modes which are simplex, half-duplex, duplex
E-commerce or Electronic Commerce is a modern way of business. Transaction in case of buying or selling a product or service through electronic devices and internet connection is E-commerce. In E-commerce, the buyer and seller can not only communicate with each other but also the buyer can pay and the seller can receive payments through …
A network must meet a 3 criteria to become useable in real world situation which are Performance, Reliability and Security.
Data communication systems enable transfer of data using one of the three transmission modes. Data communication systems has 4 fundamental characteristics; which are delivery, accuracy, timeliness and jitter.
Systems that facilitates this movement of data between devices or end-points are called data communication network. There are 5 components of a data communication network which are data, sender, receiver, transmission medium and protocol.
Molarity (M): Molarity is defined as the number of moles of solute per litter of solution. That is, Here, W = weight of solute. M = molecular mass of solute V = volume of solution Molality (m): It is defined as the number of moles of solute per kg of solvent. …
Define molarity, molality, normality, mole-fraction. Read More »
For the simple second order reaction 2A→product, we know the rate constant is given by, For half life, and Hence, as k is a constant, Thus, the half life of a second order reaction is inversely proportional to its initial concentration.
2A → Productinitial concentration : a molL-1 → 0final concentration (t=t) : (a-x) molL-1 → x …
Derive an expression for the rate constant of 2nd reaction of the type, 2A→product. Read More »
Let us consider a first order reaction, A → product Suppose at the beginning of the reaction, that is, when t=0, the concentration of A is amolL and when t=t, the concentration of A is (a-x)molL. For a first order reaction, the rate of reaction, where k is the rate constant. integrating, Here, c is the …
Derive an expression for the rate constant of a first order reaction. Give its units. Read More »
Order: Order of a reaction is defined by the number of atoms or molecules, whose concentration change during the reaction and determine the rate of the reaction. For example, It is a first order reaction. It is a second order reaction. Molecularity: The molecularity of an elementary reaction is defined as the number of reactant …