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Science

Welcome To The AnswerBank Science: twinned with CERN*. We're here to answer all questions scientific.

*Not actually twinned with CERN.

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Palgrave
Trying to help a grandchild with homework, I am stumped by this question. Is it solvable or is there an error involved: 'A rectangle has an area of 25 1/2 cm squared. If the base is 4 1/2 cm,...
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charlotteduckett
Identify which of the following are redox reactions. If a reaction is a redox reaction, name the element oxidized, the element reduced, the oxidizing agent, and the reducing agent. a. Mg(s)+ Br2(l)...
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ToraToraTora
https://news.sky.com/story/public-to-vote-for-name-of-minor-planet-in-our-solar-system-11691578 Discovered in 2007 we are now going to get a choice of 3 names to vote on, "Gonggong, Holle and Vili." -...
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charlotteduckett
Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH-] is 1 x 10^-3 mol/L. Is this solution acidic, basic, or neutral? Show your work....
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charlotteduckett
A 105 g piece of copper wire is heated and the temperature of the wire changes from 25*C to 91*C. The amount of heat absorbed is 645 cal. What is the specific heat of copper? Show all work, including...
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ToraToraTora
How many people need to be in the same room for there to be an even chance of sharing a birthday month and day? The answer may surprise you.
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David H
The only ways sea level rises is from land ice melting and thermal expansion. Using this formula how much will sea level rise per degree C the temperature rises to melt mainly the Greenland ice shelf...
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claymore
Is it possible that nothing is actually something?
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Togo
Sometime today NASA will be releasing images of Sagittarius A, the black hole at the centre of our Milky Way galaxy. (No Mars bar jokes please). Brilliant science to gather and correlate the info...
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claymore
Is this correct? A millimeter of water over a square meter equals 1 liter.
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patrickstar
Do scientists believe in God? If so is this based on any facts or theory?
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naimo
Show that each monic irreducible polynomial of Fq [x] of degree m is the minimal polynomial of some element of Fqm with respect to Fq ....
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TommyC
I live too many hours in an office, so I know I'm quite badly out of touch - but I've noticed repeatedly over the past 6 or 8 years the sudden appearance of large and very tall metal pillars, usually...

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