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Science

Welcome To The AnswerBank Science

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1021 to 1040 of 6599

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mikey4444
http://www.bbc.co.uk/news/science-environment-36651048 I have very little scientific learning or training. Why can't we manufacture helium if we need it so bad ?...
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Rev. Green
If the Universe ends with a Big Crunch is "empty" space left behind or does it disappear. In fact, does space every disappear e.g. near a black hole?...
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Sachin114
PV=nRT... So V is directly proportional to T. Can we compress and reduce the volume of water by means of a hydalic press and reduce its temparature to freezing point???...
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aaronhonour
I want to build a model and I currently have the equation: Y = x1 + x2 + x3 + u1 I then have explanatory variables for each of the variables on the right So: x1= p1+p2+p3+u2 x2= s1+s2+s3+s2 x3=...
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Sachin114
suppose a machine is constantly applyng a force equal to 100 N to a concrete wall. Neither the machine nor the wall is moving. In this case what will be the value of M and A... Sorry if this is a...
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Sachin114
If there are only sigma bonds then the lone apir would stick to one atom and so it would be considered while calculatin the steric number. but why does it become delocalized around a pi bond...
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Sachin114
the formula goes like this DOU = (c+1)-[h+x-n]/2, where c is the no. of carbon atoms, h is hydrogen, x is halogens like F, Cl, Br, I and n is Nitrogen... they have neglected oxygen and sulpher on the...
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mibn2cweus
That would be 11:34pm BST http://www.independent.co.uk/news/uk/home-news/summer-solstice-2016-when-is-it-date-longest-day-what-why-strawberry-full-moon-stonehenge-a7089941.html...
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mibn2cweus
http://www.theverge.com/2016/6/15/11931906/spacex-rocket-launch-landing-falcon-9-satellite-live-stream...
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Sachin114
I mean is there some universal law which does not allow the existence of elements other than the 118 mentioned in the periodic table?
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naomi24
//Scientists in the United States are trying to grow human organs inside pigs. They have injected human stem cells into pig embryos to produce human-pig embryos known as chimeras. The embryos are part...
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I_Hate_Infinity
I base almost all I take for granted in this world on the scientic principle of theory being tested by proof. I find that structure of principles appealing, opposed to faith alone. I get stuck on...
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Sachin114
we know that speed = distance / time and acceleration = speed / time... then putting acc as 9.81 and time as 1.7 and solving for distance we get 28.3509 instead of 14.17... where is the mistake? Thank...
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Double93
I have to do a table of the route oxygen takes in the respiratory system and write a brief note on how each of these components of the respiratory system is affected (or not) by COPD plus the impact...
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Sachin114
I was studying VSEPR theory, there i got this doubt. Also for BF3, PCl5, SF4, ClF3 and XeF2. The last four have more than 8 electrons... pls guide me... thank you...
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Sachin114
i mean it bonds even though its octet is complete. What is the need for the donor atom to get involved in the bond....thank you
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Sachin114
in my book in every table there is a column for no. of sig bonds between sp2 carbon and sp2 carbon atoms. but they are not using these figures for any calculation. nor are they signifying the...
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Sachin114
i have searched a lot but everywhere i find 0,1 or 2 lone pairs. So is there any reason behind it??? thank you...
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Sachin114
I got this doubt while reading a book on calculus by lv torasov. If you need i can mail you the pdf and the page number... again Y= x^2, 0...

1021 to 1040 of 6599

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