Total # Posts: 825
Rewrite the following sentences, focusing on the grammar area specified in the left column. To enter your answer, click next to the number and begin typing. If the sentence is already correct, write No Change. Punctuation within SentencesColon
June 13, 2007
a beam of blue light has a wavelength of 595 nm. What is the frequency Since this is not my area of expertise, I searched Google under the key words " wavelength frequency" to get these possible sources: http://zebu.uoregon.edu/~soper/Light/frequency.html http://www....
June 12, 2007
Phthalic acid, H2(C8H404), is a diprotic acid used in the synthesis of phenolphthalein indicator. Ka1= 1.2x 10^-3, and Ka2 = 3.9 x 10^-6. a) Calculate the hydrogen-ion concentration of a .015 M solution. b) What is the concentration of the C8H4O4^2- ion in the solution?
April 2, 2007
Whatwould be the answer 3+9+6+52x963+??? The answer depends upon where you put the parentheses. The order of operation makes a big differnece The answer depends upon where you put the parentheses. The order of operation makes a big differnece I agree with drwls...... But, ...
February 23, 2007
What would be the answer to85x205=960x3256 85 x 205 = 17425 960 x 3256 = 3125760 They aren't equal. Sorry. =( WAT ARE YOU ASKING EXACTLY The longest one-day bike race goes from Bordeaux, france, to paris, france. the record for this race was set in 1981 by Herman van ...
February 22, 2007
what is a percusion insrument Percussion instruments are played by being struck, shaken, rubbed or scraped. They are perhaps the oldest form of musical instruments. Some percussion instruments play not only rhythm, but also melody and harmony.
February 21, 2007
A group of children can be classified according to eye color (blue, brown, green), gender (male, female) and hobby (collecting stamps, collecting baseball cards, collecting shells, collecting stickers). How many possible different classifications are there? 3*2*4 choices.
February 14, 2007
social studies help plz!!!!!!!!!!!!!!
im doin a s.s project on christopher columbus's voyage and its kinda hard finding information!! can u give me any helpful websites?? This web site has a lot of good information about Columbus's voyages. http://www.enchantedlearning.com/explorers/page/c/columbus.shtml
January 9, 2007
Brain freezer a.k.a. MATH
What does a scale factor between two similar figures tell you about the relationships between the length and area measures of the figures? The relationship is that you use the l&w to find the scale factor. you can make L&W ratios for each figure, then you divide both of the ...
January 4, 2007
Brain freezer a.k.a. MATH
Please Help! Are all squares similar? I think that they aren't but i'm not sure. I think this because rectangles can be squares and rectangles can take different forms and shapes. Please help What do you mean by square? A square will always have a 4 sides and angles ...
December 14, 2006
If an industry wide increase in cost happens and the average cost curve for each firm shifts up by $1 will the cost per unit also increase by exactly $1? Unless the demand for that item is perfectly inelastic, the final price will rise by less than $1
November 21, 2006
What is the mass of 15mL sample of mercury? Look up the density of mercury. mass = volume x density. Make sure the density is in g/mL. If it isn't you will need to convert it. One place to find density of mercury is at www.webelements.com and click on element #80. I don...
November 16, 2006
How do you store olives or food if you were droppped in a remote place in the meditteranean without any modern day technology like refrigeraters Olives store real well in salt brine, or salt, or in vinegar.
November 15, 2006
what do you mean by weniers? If you were dropped in the Mediterranean and you have to learn how to survive by yourself, how would you store excess food? Dried foods do well in that area, and dried fruits are very common.
November 15, 2006
Written out, would the reaction between anihiline [C6H5NH2] and perchloric acid look like this: C6H5NH2 + HClO4 -> C6H5ClO4 + HNH2 ? The NH2 group on aniline is basic. It takes on a H^+ from HClO4 and forms the salt. The salt is C6H5NH3^+ + ClO4^-. I hope this helps.
October 19, 2006
Math HURRY !!!!!!!!
There are two bikes one with normal wheels and one with regular hexagon shaped wheels. Imagine you put a reflector on the front wheel of each bike. You stood on the side while the bikes are ridden past you you watch the reflector's path. If the reflector is placed at the ...
September 28, 2006
What is PbCO3(s)-->PbO(s)+CO2(g) A. neutralization B. metathesis C. combustion D. decomposition E. combination Looks like the lead carbonate is decomposing to lead oxide and carbon dioxide to me. check my thinking.
September 15, 2006
orientalism of muslim and arab american
Donkey that can't talk, that is so funny. Yes I am here in 2010 with the same question, they really do need to refresh their teaching material. I am still not sure what orientalism is because so many people put in different answers and some are very long and confusing. ...
August 6, 2006