What are the respective central-metal oxidation state- coordination nu.docx

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What are the respective central-metal oxidation state, coordination number, and overall charge on the complex ion in Na2[Cr(NH3)2 (NCS)4]? O +3, 6;+1 O +2, 4;-1 Submit Request Answer Solution Answer - We have the formula of the compound as Na 2 [Cr(NH 3 ) 2 (NCS) 4 ]. To find oxidation number we have to knnow that Na forms Na + in ionic state and NCS forms NCS - .NH 3 have no charge and neutral in the solution. Now, 0=2*1+x+3*0+4*(-1) x=2 ,Hence the oxidation state is +2. Coordination number - The number of compound in attach to the centra atom. Two NH3 and 4 NCS . Hence coordination number is 6. Overall charge =2+ of Na and (-4) of NCS molecules =-2 .

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What is bit stuffing in CAN messages? Why do we use it ? Solution Bit stuffing is a provider for Error Handling when Transfer Layer instead of Physical Layer in Control Area Network (CAN).A Controller Area Network (CAN bus) is a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other in applications without a host computer. It is a message-based protocol, designed originally for multiplex electrical wiring within automobiles, but is also used in many other contexts. It serves two purposes In CAN bit Synchronization happens with an edge. So inserting an edge after 5 consecutive homogeneous bits ensures synchronization of all nodes. When the receiver is receiving homogeneous bits it will not understand whether it is reading the bit. so to avoid resulting Bit error Bit Stuffing is used. .

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What is a valid consideration for planning VLAN traffic across multiple switches? Explain in brief What is a valid consideration for planning VLAN traffic across multiple switches? Explain in brief What is a valid consideration for planning VLAN traffic across multiple switches? Explain in brief Solution A valid consideration for planning VLAN traffic across multiple switches is that, a trunk connection is affected by broadcast storms on any particular VLAN that is carried by that trunk. .

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What is a reasons for using layered protocols? What is one possible disadvantage of using layered protocols? Solution Reasons for using Layered protocols: 1. Layering of protocols provides well-defined interfaces between the layers, so that a change in one layer does not affect an adjacent layer. 2. The protocols of a network are highly complicated and designing them in layers make their implementation more feasible. Possible disadvantage of using Layered Protocol: Each layer potentially puts overhead both in terms of information stored in protocol headers and processing time. .

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What is a single entry accounting system? Solution Single entry accounting system is considered as an incomplete system of recording financial transactions. Single entry system maintains only accounts of debtors, creditors and cash book Single entry accounting system is not based on concept of duality and thus is not self balancing. Chances of error are high. Single entry accounting system us generally used by small businesses as there are less formalities, simle to use and less expensive as compared to double emtry system. Single entry system requires less expertise. Single entry system is not preffered as it does not provide data for efficient planning to management, Less likely to detect threats and frauds and thus overall control suffers. .

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What is a false positive and how could it be used to hide a real attack? Solution False positives are alerts generated by an IDS because it thinks it has detected a valid attack against a monitored system,but the attack really is not valid.False Positives are problems because they create alert noise that can hide a real attack,and then can send you a wild goos chases for attacks that never relly happened. A False positive occurs when an IDS generates an alert on either Network traffic that looks like an attack to the IDS,but isnot an attack. A real attack that attack doesnot applyto the system being monitored. A false negative is a real attack that was missed by the IDS, and therefore not alerted on.An IDS might miss an attack because the attack is not one it recognizes,becuse the IDS overwhelmed or because the attacker has successfully used a method of evading the IDS. .

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What impact does font selection have on readability? Solution Font selection plays a vital role in the readability. With different sizes and types of fonts we differentiate between headings, sub headings and the content of the paragraph. We can even differentiate between the definition, explanation and example of a particular content in particular context. For comfortable reading, we must always choose simple font like Times, Times New Roman,Calibri etc. Fonts can also be used to display the content in artistic way. Usually these font types will be artistic and attractive look and feel but very complex when it comes to the point of readability. In this manner font selection has various impact on readability.some are very simple and soothing which provide ease of readability and some are very complex it terms of readability. .

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What if Source One were to argue that it was merely an agent and was only responsible for gathering information... could Source One claim that its client is a principle, and therefore Source One is not responsible for the information request made by the client? Solution The attorney-client privilege has become one of the most complex and therefore, litigated privileges. 1 This is due, in significant part, to the difficulties created by the concept of confidentiality. 2 From the creation and preservation of the privilege, to the development of the facts to prove the legitimacy of the claim, the requirement of confidentiality 3 has created time-consuming and costly responsibilities for both litigants and judges. 4 In addition, confidentiality has been interpreted as imposing a superfluous secrecy requirement that has generated conflicting decisions and practices. .

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What function does “feedback” play in the work of the manager and how does accounting help the managers in this regard? Explain using examples to support your discussion. Solution Manager create value for employees in two ways. They remind employees of their value to the company. An employee gets motivation from manager\'s attitude and approach. Manager encourage employee feedback on any issue and let employees know that their opinions are taken seriously. Manager acts as the liaison between the executing staff and the employees.They create a dynamic workplace where employee feel that their opinions have vale to the company. This inspire employees to discover ways that are efficient to do their job. Accouting help management in preparing financial data management, analysis and advice, financial report preparation, ensuring that all reporting deadlines are met. .

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What effect would the contamination by the following impurities have on the melting point of benzoic acid? a. sand b. benzoin c. broken glass d. pieces of insoluble cork e. water f. acetylsalicylic acid Solution There would be no effect on melting point of benzene of Sand Broken glass And pieces of insoluble cork as they can no way interact chemically. In case of benzoin and water, due to significant hydrogen bonding, melting point of benzene increases For the case of acetylsalicylic acid, it does not increase because the acid hardly interact and form bond due to its large size and stearic hindrance. .

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What does “wave-particle duality” of light mean? What are some of the evidence supporting the wave theory of light? What are some of the evidence supporting the particle theory of light? Solution Wave particle duality means behavior or light both as particle as well as wave in different cases. Photoelectric effect shows the particle nature of light in which light as a packet of photons incidents on a metal and it will eject a photon of energy less then that of incident photon. Young\'s double slit experiment supports the wave nature of light in which interfere of coherent wave sources increase the amplitude and intensity of light. That shows that light have wave like property. .

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what does literal equation mean Solution 1. According to the letter or verbal expression; real; not figurative or metaphorical; as, the literal meaning of a phrase. [1913 Webster] It hath but one simple literal sense whose light the owls can not abide. --Tyndale. [1913 Webster] 2. Following the letter or exact words; not free. [1913 Webster] A middle course between the rigor of literal translations and the liberty of paraphrasts. --Hooker. [1913 Webster] 3. Consisting of, or expressed by, letters. [1913 Webster] The literal notation of numbers was known to Europeans before the ciphers. --Johnson. [1913 Webster] 4. Giving a strict or literal construction; unimaginative; matter-of-fact; -- applied to persons. [1913 Webster] Literal contract (Law), a contract of which the whole evidence is given in writing. --Bouvier. .

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What do you do first if you get a boot message of Invalid System Disk? Solution this issue can be caused when seccurity softwere has disables access to drive C or windows setup was unable to copy the system files to hard disk or computer may be infected with a boot-sector virus. for resolve this issue uase an anti-virus program to detect and remove the virus and then reinstall windows,boot-sector virus infect computers by copying information either to boot sector on a floppy disk or partition table on a hard disk.during startup.During start up the virus is loaded into memory once in memory the virus tupically infects any non-infected disks that your computer is connected to. in some cases windows may not propery detect that you are using disk management sofwere and may overwrite the master boot record information. .

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