http://www.scianswers.com/ A Premier Science Questions & Answers Social Spot en-US Thu, 11 Mar 2010 17:23:28 +0000 http://bbpress.org/?v=1.0.2 q http://www.scianswers.com/search.php http://www.scianswers.com/topic.php?id=814#post-1379 Thu, 11 Mar 2010 16:28:00 +0000 James Lindsey, PhD 1379@http://www.scianswers.com/ <p>I assume you are referring to a chemical solution or liquid. Chemical solutions can have various physical (e.g, boiling point, density, viscosity) and chemical properties (e.g., acidity, ionic strength). The list of properties can go on and on and on, certainly much more than five. </p> http://www.scianswers.com/topic.php?id=814#post-1378 Thu, 11 Mar 2010 15:47:30 +0000 Guest 1378@http://www.scianswers.com/ <p>What are the five properties of a solution? </p> http://www.scianswers.com/topic.php?id=809#post-1377 Thu, 11 Mar 2010 01:33:45 +0000 drglenndritchie 1377@http://www.scianswers.com/ <p>Prograde rotation is the motion of a planetary body in a direction similar to that of the majority of bodies within its system, and is sometimes called direct motion. Retrograde rotation is motion in the contrary direction. In the case of celestial bodies, such motion may be real, defined by the inherent rotation or orbit of the body, or apparent, as seen in the skies from Earth. </p> http://www.scianswers.com/topic.php?id=813#post-1376 Thu, 11 Mar 2010 01:28:43 +0000 drglenndritchie 1376@http://www.scianswers.com/ <p>Protists are a diverse group of (0ne-celled) eukaryotic microorganisms. Historically, protists were treated as the kingdom Protista but this group is no longer recognized in modern taxonomy Instead, it is better regarded as a loose grouping of 30 or 40 disparate phyla with diverse combinations of trophic modes, mechanisms of motility, cell coverings and life cycles." (Wikipedia, 2010) </p> http://www.scianswers.com/topic.php?id=810#post-1375 Thu, 11 Mar 2010 01:25:33 +0000 drglenndritchie 1375@http://www.scianswers.com/ <p>A temperature of 80 degrees (F) simply referes to the measurement by a conventional thermometer. Relative humidity is a term used to describe the amount (%) of water vapor that exists in a gaseous mixture of air and water vapor. 100% relative humnidity is the upper limit for that measurement. </p> http://www.scianswers.com/topic.php?id=813#post-1374 Thu, 11 Mar 2010 01:24:51 +0000 Guest 1374@http://www.scianswers.com/ <p>how are animal like protists grouped </p> http://www.scianswers.com/topic.php?id=811#post-1373 Thu, 11 Mar 2010 01:16:58 +0000 drglenndritchie 1373@http://www.scianswers.com/ <p>It is called the place boundary. </p> http://www.scianswers.com/topic.php?id=812#post-1372 Thu, 11 Mar 2010 01:14:59 +0000 drglenndritchie 1372@http://www.scianswers.com/ <p>It is called the Tyndall Effect </p> http://www.scianswers.com/topic.php?id=812#post-1371 Thu, 11 Mar 2010 00:14:15 +0000 Guest 1371@http://www.scianswers.com/ <p>air pollution, conservation, suspension, tyndall effect </p> http://www.scianswers.com/topic.php?id=811#post-1370 Wed, 10 Mar 2010 23:11:29 +0000 Marisol 1370@http://www.scianswers.com/ <p>Where is the place that two tectonic plates push into one another </p> http://www.scianswers.com/topic.php?id=810#post-1369 Wed, 10 Mar 2010 22:54:47 +0000 Guest 1369@http://www.scianswers.com/ <p>a temperature of 80 degrees and a relative humidity of 85% means </p> http://www.scianswers.com/topic.php?id=809#post-1368 Wed, 10 Mar 2010 18:53:06 +0000 Guest 1368@http://www.scianswers.com/ <p>How does the terms prograde rotation and retrograde rotation differ? </p> http://www.scianswers.com/topic.php?id=804#post-1367 Wed, 10 Mar 2010 16:08:03 +0000 drglenndritchie 1367@http://www.scianswers.com/ <p>Please rephrase your question. </p> http://www.scianswers.com/topic.php?id=806#post-1366 Wed, 10 Mar 2010 16:06:47 +0000 drglenndritchie 1366@http://www.scianswers.com/ <p>I don;t believe that there a "functional" reason for fat deposits commonly found attached to the heart. It is simply the body mechanism of passively depositing fat storage deposits in available areas </p> http://www.scianswers.com/topic.php?id=806#post-1365 Wed, 10 Mar 2010 16:06:38 +0000 drglenndritchie 1365@http://www.scianswers.com/ <p>I don;t believe that there a "functional" reason for fat deposits commonly found attached to the heart. It is simply the body mechanism of passively depositing fat storage deposits in available areas </p> http://www.scianswers.com/topic.php?id=808#post-1364 Wed, 10 Mar 2010 14:47:38 +0000 James Lindsey, PhD 1364@http://www.scianswers.com/ <p>Metallic bonding is typically found in metals.<br /> <a href="http://en.wikipedia.org/wiki/Metallic_bond" rel="nofollow">http://en.wikipedia.org/wiki/Metallic_bond</a> </p> http://www.scianswers.com/topic.php?id=808#post-1363 Wed, 10 Mar 2010 13:56:13 +0000 mrhobbs 1363@http://www.scianswers.com/ <p>which type of bond is formed between metals </p> http://www.scianswers.com/topic.php?id=802#post-1362 Wed, 10 Mar 2010 01:48:42 +0000 James Lindsey, PhD 1362@http://www.scianswers.com/ <p>extermination </p> http://www.scianswers.com/topic.php?id=803#post-1361 Wed, 10 Mar 2010 01:44:56 +0000 James Lindsey, PhD 1361@http://www.scianswers.com/ <p>True in some cases and false in other cases. Sound wave can be converted into various forms of energy, including electrical and mechanical energy. </p> http://www.scianswers.com/topic.php?id=807#post-1360 Wed, 10 Mar 2010 01:38:19 +0000 James Lindsey, PhD 1360@http://www.scianswers.com/ <p>friction </p> http://www.scianswers.com/topic.php?id=805#post-1359 Wed, 10 Mar 2010 01:35:39 +0000 James Lindsey, PhD 1359@http://www.scianswers.com/ <p>Atoms combine to form molecules. The individual atoms that make up a molecule are still called atoms. </p> http://www.scianswers.com/topic.php?id=807#post-1358 Wed, 10 Mar 2010 01:35:06 +0000 Guest 1358@http://www.scianswers.com/ <p>a force that opposes motion between two surfaces that are touching is? </p> http://www.scianswers.com/topic.php?id=806#post-1357 Wed, 10 Mar 2010 00:11:50 +0000 Guest 1357@http://www.scianswers.com/ <p>why is there fat attached to the heart? </p> http://www.scianswers.com/topic.php?id=805#post-1356 Wed, 10 Mar 2010 00:05:35 +0000 Guest 1356@http://www.scianswers.com/ <p>answer this question please dont want to fail science </p> http://www.scianswers.com/topic.php?id=804#post-1355 Tue, 09 Mar 2010 22:54:20 +0000 Guest 1355@http://www.scianswers.com/ <p>long, low mounds of till </p> http://www.scianswers.com/topic.php?id=803#post-1354 Tue, 09 Mar 2010 22:53:07 +0000 Guest 1354@http://www.scianswers.com/ <p>when the energy of sound waves is transferred it becomes electrical energy. true or false? </p> http://www.scianswers.com/topic.php?id=802#post-1353 Tue, 09 Mar 2010 22:29:02 +0000 Guest 1353@http://www.scianswers.com/ <p>the answer is 13 letters long </p> http://www.scianswers.com/topic.php?id=788#post-1352 Tue, 09 Mar 2010 22:18:16 +0000 drglenndritchie 1352@http://www.scianswers.com/ <p>Actually aluminum does react with many acids, although copper is far more resistant to reaction with non-oxidizing acids. As for the aluminium, the production of hydrogen generally occurs after a few minutes in contact with acid. This time delay can be traced back to the passive corrosion of the aluminum due to an impermeable protective layer composed of aluminum hydroxide/oxide, which must first be dissolved by the hydrochloric acid:</p> <p> Al(OH)3 + 3 H3O+ &gt; Al3+ + 6 H2O<br /> or Al2O3 + 6 H3O+ &gt; 2 Al3+ + 6 H2O<br /> Al + 3 H3O+ &gt; Al3+ + 3 H2O + 3/2 H2 </p> <p>After this reaction, aluminum will react with acids such as HCl. Copper is far more unreactive. This can be explained by looking at its position in the electrochemical series of metals. Copper belongs to the noble metals. These stand in the row after hydrogen and are not affected by non-oxidizing acids which is why they are not dissolved by hydrochloric acid. </p> http://www.scianswers.com/topic.php?id=801#post-1351 Tue, 09 Mar 2010 22:12:55 +0000 drglenndritchie 1351@http://www.scianswers.com/ <p>Please provide the context of your question. </p> http://www.scianswers.com/topic.php?id=800#post-1350 Tue, 09 Mar 2010 22:11:54 +0000 drglenndritchie 1350@http://www.scianswers.com/ <p>If you talking about improving the stability of a building or other structure, that question is well beyond the scope of this forum. </p> http://www.scianswers.com/topic.php?id=801#post-1349 Tue, 09 Mar 2010 21:50:37 +0000 Guest 1349@http://www.scianswers.com/ <p>explain what was lost and what was gained. evaluate the result </p> http://www.scianswers.com/topic.php?id=800#post-1348 Tue, 09 Mar 2010 21:21:56 +0000 xdark13 1348@http://www.scianswers.com/ <p>how could you improve the stability of a structure </p> http://www.scianswers.com/topic.php?id=794#post-1347 Tue, 09 Mar 2010 16:42:04 +0000 Guest 1347@http://www.scianswers.com/ <p>You also need a power source such as a battery to make the light light up. One wire should be connected to the positive terminal of the light and a second wire to the negative terminal. Whichever one you consider positive or negative is not important. The loose end of each wire is then connected to a battery. One end should be connected to the positive terminal of the battery and the end of the other wire to the negative terminal of the battery. Did your light light up? I suppose you can play a game by making the light flash by quickly disconnecting and reconnecting one of the wires to the battery. Have fun! </p> http://www.scianswers.com/topic.php?id=799#post-1346 Tue, 09 Mar 2010 14:01:32 +0000 James Lindsey, PhD 1346@http://www.scianswers.com/ <p>True, chemical reactions occur at different rates. Reactants associated with various chemical reactions may react from very slow to explosively fast to produce a product or products. An informative overview of chemical kinetics, the study of the rates of chemical reactions and factors that influence chemical reaction rates, is available via the following link: <a href="http://en.wikipedia.org/wiki/Chemical_kinetics" rel="nofollow">http://en.wikipedia.org/wiki/Chemical_kinetics</a>. </p> http://www.scianswers.com/topic.php?id=799#post-1345 Tue, 09 Mar 2010 12:16:32 +0000 drglenndritchie 1345@http://www.scianswers.com/ <p>Can you please rephrase our question? Not sure what you are asking. </p>