Questions answered by Mr Joseph Vempeny
(Expert Rank: 2831)  |
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Is this synthesis, decomposition, single repacement, or double replacement? |
| Question found in Science In General |
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| No one can answer this question as you have not mentioned the reaction. |
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Does sugar evaporate from sweetened tea? |
| Question found in Science In General |
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| No, only water evaporates. Sugar stays there. |
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Why is the BBC so popular? |
| Question found in Media In General |
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Long before the appearance of television, the BBC radio station was the only one of its kind broadcasting so as to reach the whole world. BBC had become a vital media tool during the world war II. The British Broadcasting Corporation is trying to keep a certain standard in the media field even today.
Comments :  the answer is adquate enough and has made it clear that the bbc is poular becuase it is the frist .
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Is it true that a giant explosion inside a black hole will destroy/weaken it? |
| Question found in Space & Astronomy |
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Though we know that black holes exixt we do not know much about what goes on in these. This is due to their very nature - secretive. Nolight, no information comes out of them. Think of a black hole as a super - mega - star. Mater in it is very dense due to the extreme gravity. So the question of explosions in it seems irrelevant. Even if giant explosions happen we wont know about them and they wonr have catastropic effects. |
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Explain the significance of very heavy elements in our Sun and the Earth. |
| Question found in Space & Astronomy |
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The metals uranium and plutonium are used in nuclear energy. Many like Gold, platinum, lead, mercury, iodine and the like have functions in commerce and industry and many of them are necessary in slight traces in our bodies - essential for our life or metabolism. The real significance of the heavy elements is the fact that they are so rare in our universe. The first generation stars produced only the light elements like carbon and oxygen by the nuclear fusion process going on in stars. The second generation stars have produced even heavier elements - the light metals. The massive new generation stars could produce even heavier metals. But according to most scientists the nuclear fusion process in even the largest of stars is not likely to produce the very heavy elements like uranium. They attribute the formation of these to rare occurrences like neutron star collisions. Since some of these very heavy elements are necessary for our existence, the fact that these elements were present at the spot where our earth was formed is considered to be very significant - like an act of providence. This is one of the facts that supports the view that evolution - cosmic and biologic - is a continuing act of creation. |
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Can anybody help with percentage? |
| Question found in Education In General |
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I assume you want to know how to find the percentage of something. Right? Let me see what I can do. !. To find the 20% of 80: 80 x 20/100 = 80 x 1/5 = 16 2. To express 16 as a percentage of 80: 16/80 x 100 = 1/5 x 100 = 20 |
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Compounds have the same properties as the elements that form them? Is that true or false? |
| Question found in Education In General |
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False. eg. Water is a compound of hydrogen and oxygen. Hydrogen is combustible, oxygen supports combustion. But water in liquid or as steam just puts out fire. |
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Have Catholic priests ever been able to marry? |
| Question found in Religion & Spirituality In General |
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Marriage was not forbidden to priests in the early church. Celibacy became compulsory only much later.
Comments : It would have been interesting to know when celebacy became compulsory and why.
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What are lay people? |
| Question found in Education In General |
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| In the context of Christian language the term lay is used as opposed to clerical. Clergy include all the ordained people - priests, bishops and so on. Even members of religious orders like Franciscan or Jesuit, those who are not priests are referred to as lay brothers. |
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Suppose 2 persons are travelling in a MOVING train; one IN the compartment and the other ON the top of the SAME compartment both facing the same direction in which the train is moving. The 2 persons have a ball each in hand. Both of them toss the ball upwards with the same amount of force. The 1st person IN the train catches his ball at the same place from where he threw the ball. However when the 2nd person ATOP the compartment throws the ball, he has to go back a few steps (say 2 or 3) to catch the ball. Why does the 2nd person have to move from his place while the 1st person need not? |
| Question found in Physics |
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The wind force causes this. Hold a piece of string inside the compartment, it hangs vertically. Hold it outside that will be flying almost horizontal. Same force. |
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