dear members, I am working as PHYSICS teacher for High and higher secondary levels in India if you want any doubts in Physics at school levels please visit my...
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Hello Mike, My nephew is in first grade and he is working on his science project, I wanted to know if you can help. He wanted to do a project on the moon. ...
My Nephew is in the first grade and needs hepl with his science project. Can you please help? He wants to do the science project on the moon. Thanks, Ana Mike...
I want to know if you can please help me. My nephew is in the first grade and he is doing a science project on the moon. Do you have any suggestions? Thank...
... Yep, I guess so. I've studied the Moon in detail ever since I was a kid. I would suggest he gather as much about the moon as possible, from its history in...
Hi. I was wondering how temperature affects chemical degradation. Do colder temperatures reduce the rate of degradation? For example, if I had a substance,...
... As a rule of thumb, the rate of a simple chemical reaction doubles for every ten degree temperature rise (and halves for a ten degree fall). You want to...
Thanks. But is degradation of a chemical considered a chemical reaction? If so, what chemicals cause it to decay? ... As a rule of thumb, the rate of a simple...
... Yes, because chemical rates are temperature dependent. Having said that though, one has to take side reactions into account, and some are enhanced as the...
... Of course. ... If its a mixture, then you can have reactions between the components, but there are also reactions within a single substance. It may be...
I am chirag, from India, I want to know that why radio active decay is called 1st degree process??? ple. tell me in detail about who discovered it? thank you. ...
Hi, I would like to know why a solid, such as ASA (acetylsalicylic acid), would have a shelf life. Lance ... degradation. Do ... it ... for ... fall). ... need...
Hi, I don't have access to a textbook at the moment, but there should be a brief history in your textbook. The reason it is a 1st degree process is that it...
... This needs a slightly more technical answer. To break a chemical bond you first need to put some energy into the molecule - this is called "activation...
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... If p, q, and r are integers (whole numbers) then this has no solution - see Fermat's Last Theorem. If they are not integers, then pick any p and q,...
I have a problem I'm working on, with an initial matrix of: 0 3 3 1 2 3 1 4 6 Do I swap rows one and two in order to get a 1 in the (1,1) position, and...
... This is an elementary operation. You can do this of course. Or just add 2 to 1, and that will put a 1 in the (1,1) position. Then use successive elementary...
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Don't you feel vulgarity in receiving the work from SANDRA. Is it necessary to display on website? please delete such type of messages. They are of no use. ...
A pinhole camera is a small, light-tight can or box with a black interior and a tiny hole in the center of one end. See illustrations below. You can design it...
Detailed observations of the galaxies around us indicate that there is superposed on the Hubble flow a large-scale streaming motion of about 600 km/s in the...
... process??? ... ACHRE Report ACHRE Report Introduction ... The Atomic Century Before the Atomic Age: "Shadow Pictures," Radioisotopes, and the Beginnings of...
