Net Ionic Equation Help
Updated: 2011-09-30 15:50:04
What is the net ionic equation of Al(OH)3(s)+3HCl(aq)=AlCl3(aq)+3H20
The answer a got was
Cl is the only spectator ion
Al3+ +3OH3- +3H3+ = Al3+ +3H2O
Question about Gravity
Updated: 2011-09-30 15:41:55hey, just have a general question about gravity; hopefully it isn't too basic a question. Also, please excuse the crudeness of my descriptions. Am I right in saying that there are 4 main "forces"...Negative Binomial and Chi-square
Updated: 2011-09-30 15:33:34can any one help me with this question : Image: http://www9.0zz0.com/2011/09/30/14/875098196.jpgValue of energy-momentum tensor in weak field approximations
Updated: 2011-09-30 15:25:02My first question, so sorry if it's in the wrong forum. I'm trying to understand the Newtonian weak field approximations to general relativity. I can't see why, if the Schwarzschild metric (which...Kpi or k2pi?
Updated: 2011-09-30 15:23:11Please delete this, double post real link is at http://www.physicsforums.com/showthread.php?t=535265 thanks!Microsoft Word Problem
Updated: 2011-09-30 14:50:18Ok I know this isn't exactly a direct physics problem but I wasn't sure where to post this. Im writing up a lab report in word 2008 mac and whenever I insert an equation it pushes the text down a...Living Reviews in Relativity: “The Motion of Point Particles in Curved Spacetime” (update)
Updated: 2011-09-29 16:39:04Living Reviews in Relativity has published a major update of the review “The Motion of Point Particles in Curved Spacetime” by Eric Poisson, Adam Pound, and Ian Vega on September 29, 2011. Please find the abstract and further details below. —————— PUB.NO. lrr-2011-7 Poisson, Eric and Pound, Adam and Vega, Ian “The Motion of Point Particles in Curved Spacetime” ACCEPTED: 2011-08-23 PUBLISHED: [...]Fermilab’s Tevatron Shutdown Event
Updated: 2011-09-28 19:53:57
So this Friday is the shutdown of Fermilab’s Proton/Anti-Proton Collider the Tevatron. After almost 30 years of service and numerous discoveries the collider has run her course and is scheduled to be turned off. Instead of this being a sad event Fermilab is going to let the old girl go out with a bang! A [...]This Week’s Hype
Updated: 2011-09-28 19:21:48It had to happen. New Scientist managed to find a physicist willing to describe the OPERA result as “evidence for string theory”: So if OPERA’s results hold up, they could provide support for the existence of sterile neutrinos, extra dimensions … Continue reading →Associate Professor in Theoretical Physics in Norway
Updated: 2011-09-28 11:38:46The University of Stavanger invites applications for a position as Associate Professor of Physics at the Faculty of Science and Technology in the Department of Mathematics and Natural Sciences, beginning 01.08.2012. The position is in Theoretical Physics. The responsibilities comprise research, supervision, teaching, student assessment related to the field above and administration. The education required for [...]Video Article: The End of the Quantum Road (article)
Updated: 2011-09-23 05:00:00In this classic article, with new video, Caslav Brukner ponders whether we've already found the ultimate theory of nature, without realizing it.Hot topics in Modern Cosmology – Spontaneous Workshop VI
Updated: 2011-09-22 18:59:22Spontaneous Workshop (SW) brings together specialists on recent insights in Particle Physics, Astrophysics and Cosmology. The aim is to stimulate debates on common topics in views of providing us with innovating ideas. The workshop’s organization is based on an optimal number of concise presentations and enough space for discussions on emergent problems in order [...]Could primordial black holes be dark matter?
Updated: 2011-09-21 13:50:01(PhysOrg.com) -- “We know that about 25% of the matter in the universe is dark matter, but we don’t know what it is,” Michael Kesden tells PhysOrg.com. “There are a number of different theories about what dark matter could be, but we think one alternative might be very small primordial black holes.”Post-doc in Fundamental Gravitational Theory at Penn State
Updated: 2011-09-20 14:42:16The Institute for Gravitation and the Cosmos expects openings for post-doctoral positions starting fall 2012 in the areas of cosmology, general relativity and quantum gravity. The initial appointment will be for one year and is expected to be renewed for another year subject to satisfactory progress and availability of funds. In exceptional cases it has [...]Postdoctoral position in GR, HEP, black-hole physics at Lisbon
Updated: 2011-09-20 09:28:05The Centro Multidisciplinar de Astrofísica (CENTRA) invites applications for a postdoctoral position in the area of General Relativity, High Energy physics and black hole physics, including Numerical Relativity. The appointment is for two years, subject to funding renewal and satisfactory performance. Funds for one additional (third) year are possible. A tentative date for the appointment is [...]Big Bang Theory Returns This Thursday!
Updated: 2011-09-18 23:33:42One of my favorite television shows is CBS' quirky sitcom The Big Bang Theory, about a group of scientists and the girls that love them. I've mentioned the show here and there on the blog throughout the last four years, but haven't taken the time to really dedicate much space to it....Read Full Post21st Midwest Relativity Meeting (2nd Announcement)
Updated: 2011-09-12 12:11:49This is the Second Announcement for the 21st Midwest Relativity Meeting that will be held Friday and Saturday, November 4 and 5, 2011 at the University of Illinois at Urbana-Champaign. The format of the meeting will follow previous regional meetings, where all participants may present a talk of approximately 10-15 minutes, depending on the total [...]Full Color Feynman
Updated: 2011-09-12 01:24:05I have always described physicist Richard Feynman as a colorful character, but that's never been more true than now, because his life has been immortalized in the colorful form of ... a comic book!...Read Full PostInflation ... And I Ain't Talking the Economy
Updated: 2011-09-04 00:34:30Home Education Physics Physics Search Physics Basic Concepts Theories Experiments Share Free Physics Newsletter Sign Up Discuss in my forum Inflation And I Ain't Talking the Economy By Andrew Zimmerman Jones About.com Guide September 3, 2011 My Bio Headlines Forum RSS As we look back into the past , through telescope that see light which has been travelling to us for billions of years , cosmologists see a universe that was once much more compact than it currently is . Though the theory that the universe began in a big bang has been around for some time , and confirmed by numerous experiments such as the detection of the cosmic microwave background radiation what most people don't know is that the theory , by itself , didn't quite fully explain the start of the . universe A timeline of our