Total # Posts: 241
I am trying to answer my questions for thermal decomposition of malachite lab. I have moles of malachite in 1g= 0.0045 moles of Cuo produced= 0.0009 ratio of moles of Cuo produced per moles of malachite decomposed=0.0045/0.0009=5.1 the balanced euation = CuCo3*Cu9OH)2 ----->...
September 27, 2009
I was trying to look up some information that would make me understand this assignment better myself. I really do not understand it, what it is trying to ask of me, what to write on, and thats why i was looking online, when i cam across this. I dont agree on how this person ...
May 23, 2009
french mme sra
I think I have done all the corrections. Please could you tell me if there's anything else wrong. Thankyou Pour le petit déjeuner ce matin jai mangé une banane et des raisins et jai bu de leau mais dhabitude je mange un bol de cé...
March 6, 2009
does this sound alright? my teacher wants 100+ words Pour le petit déjeuner ce matin jai mangé une banane et des raisins et jai bu de leau mais dhabitude je mange un bol de céréales et bois du lait, cest sain. Pour le d...
March 5, 2009
The composition of a propane clathrate was found to contain 40.1 mL of water. Assuming that all the cavities of the clathrate was filled with propane, how many grams of propane did the clathrate contain?
February 16, 2009
Find probability that a randomly selected TV will have replacement time less than 6 yrs. mean is 8.2 yrs standard deviation is 1.1 then provide warranty of 1% will be replaced what is the time length of the warranty
November 17, 2008
Choose the probability as a fraction in lowest terms a.5/164490480 b.5/1370754 c.1/1370754 d.1/164490480 determine probability of winning a lottery from which 5 numbers are drawn without replacement from the set of numbers 1 to 46. in order to win, the 5 numbers must be ...
October 26, 2008
a thunderclap 200m away delivers 3.75E^-5 W/m^2 of sound. What is the sound level in decibels? What is the intensity of the sound at 10m from the thunderclap? What is the sound level in decibels 10m from the thunderclap?
October 21, 2008
fallow a drop o water through three states of matter. describe what is happening to the molecules as the water turns to gas than describe what is happening to the molecules when the water freezes into ice
March 4, 2008
fallow a drop of water through three states of matter. describe what is happening to the molecules as the water turns to gas than describe what happening to the molecules when the water freezes into ice
March 4, 2008
What is the total mass of the earth's atmosphere? The radius of the Earth is 6.37E6 m, and atmospheric pressure at the surface is 1.013E5 N/m^2 (or Pa). I tried this: 1.013E5 Pa = Mg/ pi(6.37E6)^2 1.013E5 Pa (denominator)= 9.8 M solve for M: I'm coming with different ...
May 3, 2007
I need to learn the different meters and rhyming patterns of poetry?? Thank you for using the Jiskha Homework Help Forum. First of all is a pdf file: 1. server.remc11.k12.mi.us/bstpract/bstpract/165/165.pdf 2. http://owl.english.purdue.edu/owl/resource/570/01/ 3. http://en....
March 20, 2007
i forgot to post these! f(x)=9x+4 and listed in interval notation also: f(x) x2+14x+40 in interval notation and: 1/x^2+81 (interval notation) and: x+11/x^2-121 (interval notation) and: f(x+2) f(x)=6x^2-x+7 You have listed a lot of functions but have said nothing about what the...
March 14, 2007
This is like the other one I posted about. I have to predict the product. Zinc (s) + sulfuric acid (aq) ----> ____ Please and thank you! This is a single replacement type reaction. Products are ZnSO4 and H2. Same type as Al and HCl. how do you know that H2 is alone instead ...
February 27, 2007
Can someone please help me with this problem? Predict the products. Aluminum(s) + hydrochloric acid (aq) ---> ________ aluminum chloride + hydrogen Correct. AlCl3 and H2 thanks
February 27, 2007
Can someone please help me do this problem? That would be great! Simplify the expression: sin theta + cos theta * cot theta I'll use A for theta. Cot A = sin A / cos A Therefore: sin A + (cos A * sin A / cos A) = sin A + sin A = 2 sin A I hope this will help. in my algebra...
February 18, 2007
I am doing a descriptive writting report on a famous place in Europe and I chose the Louvre Museum. I can't seem to find really any information can you help me? Thanks! Try a travel guide website like Frommer's or lonelyplanet http://www.louvre.fr/llv/commun/home_flash...
January 18, 2007
Can somebody please help me with these problems? Factor the expression on the left side of each equation. Then solve. 1)x^4-5x^2+4=0 2)x^4-8x^2+16=0 Please and thank you! 1) let y = x^2, then y^2-5y+4=0 (y-4)(y-1)=0 y = 4 or y = 1 x^2 = 4 or x^2 = 1 x = -2, +2, -1, +1 same ...
January 4, 2007
We must truly become our brothers and sisters keepers. Is this written correctly? OR should it be We must truly become our borther's and sister's keepers. OR We must truly become our brother and sisters' keepers. Because the statement applies ...
December 28, 2006
Directions: Use what is given to write an equation of a line in STANDARD, SLOPE-INTERCEPT, AND POINT-SLOPE form. 1. m = 3 (0,4) s=B4=3 si=3x+4 ps=y-4=3x Are we doing these correctly? I do not know what those forms mean, but if the line goes through (0,4) with slope 3, the ...
December 20, 2006
"The Great Rot Hunt" - Are these right. 1. The traps that Father set did not work because they were (d.) not set correctly. 2. The narrator retionalizes killing the rat by comparing it to a (c.) deer. 3. The narrator realizes that, to his father, success in sports is...
December 20, 2006
Word bank: locality, finally, legally, equality, fatality, actually, really, totally, mentally, morally, nationally, punctuality, generally, personality, individually, originality, practically, formality, technicality, sentimentality completely (S)________?totally physically (...
December 13, 2006
first is to last as originally is to _____ storm is to weather as outgoing is to ____ heavens is to sky as virtually is to _____ text is to script as ethically is to _____ white is to black as copy is to ____ detail (S) for it ______?orginality Do you have a word bank or ...
December 13, 2006
I need some important facts about the Ghettos in the Holocaust. AMOUNT OF FOOD GIVEN EACH DAY the ghettos depending on whitch area you are talking about where mostly small apartments on what was the poor side of town (before the Nazis). they where small, dirty, and the stuck 1...
June 15, 2005