abdullah

how to balance this equation? (NH4)2Cr2O7 ---- Cr2O3 + N2 + H2O plz tell step by step.i m a beginner

23) she makes good grades

selecting concrete words 22. we have found that young men are best for this work

a cone has a circular base of radius 16cm and a volume of 420cm2.find the height of the cone.

Consider the reaction 2 Al2O3(s) → 4 Al(s) + 3 O2(g). ∆H = +3339.6 kJ/mol What is the change in heat when 0.455 L of a 3.60 M Al solution reacts with excess O2 ? 1. -21,962 kJ 2. -2735 kJ 3. -1368 kJ 4. -26,521 kJ 5. -685 kJ 6. -5477 kJ 7. -424 kJ 8....

actually i am finding a good site for math projects

i need a nice peom about volcanoes

please i need help and i have alot of work ot do

susan drops a ball, and 2 second later the ball has a speed of 20m/s. what is the ball's acceleration?

lol you guys, none of the penn foster exams are exactly alike. all of them are different. when ms. ruby put the answer with the questions she put them there for the question on THIS exam(the one posted here). so obviously the questions and answers wont be...

b. wrote

d. written

what belongs 2 u but other people use it more than u? answer: your name (Abdullah)

∫▒〖(3x^2-7)/(3x+2) dx〗

Yes

1.20