I need help with my science class. My teacher wants us to come up with property tests for many different substances to indentify them. I need three property tests for: Coal, Rope, Cloth, Plastic, Paper, Bean, Copper Granuals, Sand, Flower Petal and Rubber. Can you help me find...
June 9, 2008
I'm stumped with another question too. Can petroleum fractions be separated at room temperature on the basis of their viscosities? I would guess that they could but i don't know how to explain it
March 24, 2008
use the trapezoidal rule with the scale so its height =1, so (1/2) (1.5+ 2*1.6+ 2*1.8+ 2*1.9+ 2*2.0+ 2*2.1+ 2.1) which equals 11.2 so 119/11.2= 10.625 or 10.63 and that is the answer
March 13, 2008
the wind blowing on a vertical surface varies jointly as the area of the surface and the square of the velocity. if a wind of 40 mph exerts a force of 50 pounds on a surface of 1/2 square foot , how much force will a wind of 80 mph place on a surface of 2 square feet the ...
October 1, 2007
Show the conhecture is false by finding a counterexample... 1. The differnece of the absolute value of two numbers is positive meaning /a/ - /b/ > 0 I do not get that.... =/ HELP. If absolute value of a is greater than the absolute value of b, then the difference has to be ...
August 14, 2007
What is it called when the subject (being you) is automatically understood? Like... Go shut the door. the subject is understood to be..you. what is that called? "Go shut the door." is an imperative sentence because it gives a command. Most imperative sentences have ...
August 12, 2007
I have a test tomorrow and I don't really understand how to do formal charge and I've been looking at it and it just isn't clicking. Thank you for your help. Count the electrons around the atom. If the electron(s) is/are shared with another atom, half goes to one ...
November 21, 2006
Please help me unscramble these words. ZLHDAYPAHAR,HSNDBEUUR,RCILRCAU,GAATIDET,ZDAEZLRF,ISRGHLNEI,TREDESDE,DGNPLUE,DVBEEERRAETR,and NCEEAREXUB. PLLLLEEEAAASSSSEEE HHHEEELLLLLPPP!!!
September 28, 2006
How do I translate my spanish Thank you for using the Jiskha Homework Help Forum. First of all you need to determine the vocabulary in the sentence. When you actually post some work here we can help you use the dictionary. The very BEST way is to look up the English word, ...
August 29, 2006