Description : Iron which resembles Cobalt and Nickel in properties has been placed far away from these elements. This was one of the limitations of : (1) Modern periodic table (2) Newland's law of octaves (3) Dobereiner's triads (4) Mendeleev's periodic table
Last Answer : (2) Newland's law of octaves Explanation: Among the major limitations of Newlands Law of Octaves, some similar elements have been separated from one another while some dissimilar elements have been placed in the same column.
Description : Explain Dobereiner’s law of triads with an example.
Last Answer : According to Dobereiner's law of triads: When elements are arranged in the order of increasing atomic masses in groups of three elements, the atomic mass of the middle element of the triad is equal to the ... Average atomic mass = 177 2 88.5 The atomic mass of middle element Strontium = 88
Description : State Dobereiner’s law of triads.
Last Answer : According to Dobereiner’s law of triads: When elements are arranged in the order of increasing atomic masses in groups of three elements, the atomic mass of the middle element of the triad is equal to the average atomic mass of the other two elements.
Description : DRAWBACK OF DOBEREINER’S TRIADS:-
Last Answer : Only known some triads elements are identify from Dobereiner’s triads. Other triads did not obey Dobereiner’s rule. Hence, it is not useful.
Description : What are Dobereiner’s triads? Give example of 2 triads.
Last Answer : Ans: he arranged the elements in several sets of 3 elements .these sets were called triads which resembled with each other in chemical properties and atomic mass of the middle element was approx the mean of the atomic masses ... 35.5 +127)/2 =81.25 (ii) Calcium (40) ,strontium(88.5) and barium (137)
Description : Lithium, sodium and potassium form a Dobereiner’s triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium. -Science
Last Answer : Lithium, sodium and potassium form a Dobereiner's triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium. Therefore, the atomic mass of sodium = average of the atomic mass of lithium and potassium = 23.
Description : Why was the system of classification of elements into triads not found suitable? -Science
Last Answer : it is because all the elements discovered at that time could not be classified into triads.
Description : Who Classified Elements as Triads?
Last Answer : Dobereiner
Description : What are triads?
Last Answer : Elements arranged in group of three are called triads.
Description : Why are transistors better than triads ?
Last Answer : Both triodes and transistors act as amplifiers. But due to the large size of the triode valve, there is a problem in installing it in the electronic device. This requires more energy ... and cooling system. But transistors do not have these problems. So transistors are better than triodes.
Description : What are 10 Pythagorean triads using whole numbers?
Last Answer : 3,4,5;9,40,41;6,8,10;5,12,13;30,40,50;90,120,150;10,24,26 Ithink that is 10 if not 300,400,500 and 20,48,52
Description : What are the limitations of Newland law of Octaves?
Last Answer : Newland law of octaves could not be extended after 17 elements.
Last Answer : The explicit provision of the statute of limitations of 1908 is that if a case , appeal or petition is not submitted to the court within the time limit prescribed by this Act, the court will not ... above discussion, it can be said that the statute of limitations of 1906 is a self-contained law.
Description : (i)State why heat changes in physical and chemical processes are indicated by enthalpy changes and not by entropy changes? (ii)What are the limitations of First Law of thermodynamics?
Last Answer : (i) Most of the processes are carried out in an open system i.e, at constant pressure. (ii)(a) Can’t explain the feasibility of the reaction. (b)It poses no restriction on the direction of flow of heat. (c)Practically it is not possible to convert the heat energy into an equivalent amount of work.
Description : State The Third Law Of Thermodynamics. Give Its Limitations And Importance.?
Last Answer : The third law of thermodynamics states that: The entropy of a perfect crystal of each element and a compound is zero at absolute zero. Limitations: If any disorder like impurity or imperfection is ... be measured. 2. This law helps in explaining the behaviour of solids at very low temperature.
Description : A high surface area to volume ratio in cells is important because it (a) Enables efficient transfer of wastes, nutrients and gases across the cell membrane (b) Prevents overproduction of cell ... self and non-self (d) Provides for better structural support to cope with external physical pressure
Last Answer : Ans:(a)
Description : Give reason: Though biotechnology is a boon to mankind, it may cause serious threat in future. OR Mention the limitations of biotechnology.
Last Answer : a) The use of biotechnology in plants has resulted in seed sterility which causes severe threat to the conservation of plant species. b) Genetically modified foods are a threat to human and ... , moral and cultural problems. e) Cloning can be used for illegal purposes and destructive activities.
Description : Give reason: Polyploids have both advantages and limitations.
Last Answer : Polyploid plants are bigger in size and show greater genetic variability but the plant fertility is lower and growth is very slow.
Description : Mention the limitations of paper.
Last Answer : a) Paper is not perfectly non-porous. b) The tensile strength reduced on wetting.
Description : What are the limitations of glass?
Last Answer : Glass is brittle and dense. Glass gets scratched which is difficult to remove.
Description : Should the statute of limitations be removed for rape?
Last Answer : Absolutely yes.
Description : Do you think more about your potential, or your limitations?
Last Answer : I usually think of activities in terms of what I’m willing to do and not willing to do.
Description : During an interview, if you were asked: "What are your limitations or weaknesses?", what would your answer be?
Last Answer : answer:I don’t work well with others. I would rather be given a task and complete it on my own unless it’s necessary to work with a team. Nah…....I’d probably just make something trivial up.
Description : What are the limitations on a Twitter saved search?
Last Answer : answer:Yeah, sometimes Twitter doesn't go back more than a week. Other times, it returns the first 1500 results, however soon those are (so for Trending Topics, it might only go back 5 minutes, for ... check out the special Twitter search operators, like since:2009-02-15 or until:2009-02-15 .
Description : What are the limitations of Task Finishing in iOS 4?
Last Answer : Task Completion gives apps 10 minutes to finish whatever it is doing. It seems that certain apps are all but guaranteed to finish(Mail.app & Messages.app comes to mind). From my experience ... in the background using the Task Completion api will keep chugging away for their given amount of time.
Description : What are the limitations of 3D printing technologies today and in the future?
Last Answer : answer:Currently we can’t do anything with complicated insides, or anything made out of more than one material. Most 3d printers also use only soft materials, though there are some that can deposit metal.
Description : What limitations exist for high megapixel pictures being used as magazine covers due to printing materials, and technique?
Last Answer : answer:I'm sort of not answering your question directly because I haven't dealt with magazine covers personally. However, it depends on the magazine-if you look at a NatGeo for instance, you'll see ... ) has been the typical format, but those are often getting blown up to billboard or kiosk size.
Description : Do you think that any statutes of limitations on prosecuting rape cases should be removed?
Last Answer : That is surprising – I thought that there was no statute on rape in effect in the US – you often hear of charges being brought twenty or thirty years later. Look at all the priests who have been charged. There are no limitations here (Australia).
Description : Do you have experience with Microsoft XNA, what are its limitations? Working on a MMORPG game concept that requires a dynamic map and environment.
Last Answer : I don't have any personal experience with XNA (I'm not really into game development) but a lot of the other computer science majors I know are doing a concentration in game development and ... , at least more positive feedback than can be said about lots of other common game development frameworks.
Description : Do you view your limitations as a reason to quit or as a reason to try harder?
Last Answer : Generally I think I quit.
Description : Is there a statute of limitations on collections for phone bills?
Last Answer : 7 years on all credit issues or less sometimes
Description : Subrogate - limitations?
Last Answer : I thought it was only two years, but maybe the case started within the time limit, and it is just now making it to court. But that is just a guess on my part.
Description : What are the limitations of buying the Educational versions of software?
Last Answer : answer:I made a quick scan of the EULA that Adobe has online, searching the text for EDUCAT . I didn't see anything on that brief tour that limited how to product is used just a pointer to ... green lite. Just trying to help you figure it out for yourself. - BTW. it's call Adobe inDesign.
Description : What are the limitations of the per capital income criteria of development ? -SST 10th
Last Answer : (i) Per capital income is the average income of a country. (ii) Per capital income criteria takes into account only the economic aspect of life and ignores the social, aspect of life. (iii) ... because it is far behind than Kerala in literacy rate and has higher infant mortality rate than Kerala.
Description : Why do we use averages? Are there any limitations to their use? -SST 10th
Last Answer : We use averages for comparisons across different classes. Limiatations of Using Averages : Averages calculate only the mean availability but they hide the disparities in the process. This is the main ... level of both A and B is graduate level, yet there are great disparities between them.
Description : State the limitations of handwritten books. -SST 10th
Last Answer : Handwritten books were expensive and took a long time to produce. Copying was expensive and it was hard and laborious work. The manuscripts were very fragile and could easily be spoilt. They ... carry. The result was that their circulation was limited. Middle-class people could not afford them.
Description : Explain any three limitations of French Education Policy. -SST 10th
Last Answer : There were two broad opinions on the question of introduction of French education system.Some policy-makers emphasised the need to use the French language as the medium of instruction. This group ... The few who learnt French and acquired French culture were to be rewarded with French citizenship.
Description : Mention three limitations of the barter system. -SST 10th
Last Answer : 'This answer was deleted by our moderators...
Description : What was the limitations of the Civil Disobedience Movement? -SST 10th
Last Answer : Limits of Civil Disobedience Movement: (i) The Dalits or the Untouchables did not actively participate in the movement, they demanded reservation of seats, separate electorates. (ii) Dr ... from the Movement. (iv) Congress seemed more visibly associated with Hindu religious nationalist groups.
Description : What were the limitations of the Civil Disobedience Movement? Elaborate. -SST 10th
Last Answer : Limitations of Civil Disobedience Movement: (i) Dalit participation was limited. They began organizing themselves, demanding reserved seats in educational institutions, and a separate electorate. Dr ... culture and identity of minorities would be submerged under the domination of Hindu majority.
Description : Mention any three limitations of Consumer Movement. -SST 10th
Last Answer : Limitation of Consumer Movement : (i) It is cumbersome, expensive and time-consuming. (ii) Evidences are not easy to gather. (iii) Existing laws are not clear. (iv) Lack of consumer awareness. (v) Rules and regulations are not clear.
Description : What are the limitations of Dalton's atomic theory? -Chemistry
Last Answer : Hypothesis of Dalton's atomic theory → The matter is made up of indivisible particles known as atoms. The properties of all the atoms of a given element are the same including mass. ... element that takes part in reactions (atoms) and an ultimate particle that has independent existence (molecule)
Description : what are the limitations PCR -Biology
Last Answer : answer:
Description : What are the limitations of green revolution? -Biology
Description : Limitations of gene therapy? -Biology
Description : How does SATA improve upon the limitations of PATA?
Last Answer : A+
Description : Nils Bohr's Atomic Model Acceptance and Limitations ?
Last Answer : 1. The electron in the atom will rotate in a specific orbit centered on the nucleus. 2. Electrons will remain stable while in a fixed orbit. 3. Electrons will absorb or radiate energy as they move from ... Bohr model, but in reality there is more than one. Which is not explained in the Bohr model.
Description : Write the limitations of Kelvin's formula ?
Last Answer : As sometimes the cross section of the wire is so low that the regulation increases as the voltage drop increases . Increases , interest and waste change as space and time change.