Number of results: 123,211
Science --HELP PLEASE
I need to write a hypothesis for a lab ex. I think that ionic compounds will be soluble in water because the polar molecules in H20 cause the compound to break apart and dissolve in the water. but another part is the appearance of ionic and covalent compounds help please!!
Sunday, January 21, 2007 at 12:38pm by Krissy M
Can anyone please answer my science question???? PLEASE!! if nobody on here is answering, try doing a little research on other websites i need some help on my homework
Thursday, February 22, 2007 at 10:07pm by jk1115
Science help please...
Each element has a different set of energy levels. Use this fact to explain why the colour of the light emitted by an element in the gaseous stare is characteristic of the element? Ive read and researched Quantum physics for over a week now and i still dont understand this ...
Monday, March 5, 2007 at 1:12pm by Jaime
science(chem) Please check by today
I REALLY REALLY NEED this to be checked by the END OF THE Day since my finals are tomorrow and I need to know if this is the correct way to do this type of question PLEASE TELL ME IF IT IS CORRECT. I AM posting this again since nobody replied to the other one The total Carbon ...
Monday, July 23, 2007 at 5:09pm by christina
Science -- not "please help"
Science help needed here.
Saturday, January 5, 2008 at 2:43pm by Writeacher
what are variables in science experiments? please give me an example like my experiment is how to tell if a person is lying by his body language.thank you. need answer badly!!!
Sunday, May 10, 2009 at 2:10am by nik
7th grade science
Sorry! this is alot of questions. Science is not my best subject but i still do well in it but the questions are really hard for me pleas help answer this. What might you ask yourself in drawing a conclusion about an experiment? Why is scientific inquiry a process with many ...
Wednesday, August 31, 2011 at 7:38pm by saranghae12
whocan give me 10 interesting facts about sulfuric asid for my science homework please Thx!!
Monday, November 9, 2009 at 12:57pm by jodie
3. Which of the following projects is a good example of the current cooperation between nations for the furthering of scientific research? a. International Space Station b. NAFTA c. Hoover Dam d. Panama Canal please help!!!!!
Tuesday, November 24, 2009 at 10:39pm by Ashley
13. Which invention below would not have been possible without the pioneering research of German-American physicist Albert Einstein, American physicist Robert Oppenheimer, and Italian-American physicist Enrico Fermi? a. computer microchip b. nuclear reactor c. television d. ...
Tuesday, November 24, 2009 at 10:52pm by Ashley
Can someone please have a moment to look at my other science posts, Please and thank you :-)
Monday, February 15, 2010 at 10:17pm by Sara
What is a concept map. I've asked that same question yesterday as well, but I don't think anyone noticed. Can someone please tell me how to create one for the milky way,thanks in advance.
Tuesday, March 2, 2010 at 4:37pm by Sara
science help please
i don't understant what sexual reproduction is and what asexual reproduction is could please help me understand
Thursday, April 15, 2010 at 6:46pm by anna
Science 8- Please Help!
Is light transmitted through frosted glass? Explain Please!
Saturday, April 24, 2010 at 6:05pm by Maddison
What is an example of an interdiciplinary social science? explain please
Sunday, August 22, 2010 at 9:00pm by renee
Science (please help me)
I have 2 question on science 7. please help me. 1.state whether each substance is a mechanical mixture, a suspension, or a solution. My answers are at the bottom. a)green relish b)soda pop in a glass c)bubble tea d)traditional Aborigial paint made of red orchre and grease my ...
Sunday, December 12, 2010 at 7:56pm by Arushi
Science Urgent Please help
(I have no idea how to even approach this question. Can anyone please help me?) Some people have proposed that the earth could solve its population problem by shipping people off to space colonies, each containing about 10,000 people. Assuming that we could build such large-...
Friday, February 25, 2011 at 9:28am by Eva
In need of help on my political science homework please help with these questions Only these questions left! One reason why the US has only 2 major parties is that it has: A. insufficient opportunities to bribe candidates B. too much involvement by religious groups C.single-...
Sunday, November 6, 2011 at 3:59pm by josh
Science - BTUs Please help
Although I vaguely see DrBob222's concept, I still need some help in the set up. Thank you. A 10 lb. frozen boneless roast needs to be thawed and baked to a temperature of 200 degrees F. The storage freezer maintains a temperature of -10 degrees F. Pork changes from solid to a...
Monday, September 3, 2012 at 12:33pm by Sejul
Science - BTUs Please help
All you need to do is to substitute the numbers and solve for q1, q2, and q3. There isn't anything vague about it. q1 = 10 lbs x 0.5 BTU/lb*F x 40F = ?BTU (note:Tfinal-Tinitial) = 30F-(-10F) = 40F q2 = 10 lbs x 125 BTU/lb = ? BTU etc.
Monday, September 3, 2012 at 12:33pm by DrBob222