chemistry
I am having trouble to and BRA state this on Odesa question Use: concentration of carbon at a depth ___________________________________ 4*(3.091*10^-7)*0,26277
chemistry
I am having trouble to and BRA state this on Odesa question Use: concentration of carbon at a depth ___________________________________ 4*(3.091*10^-7)*0,26277
chemistry
65.0 times 5.64386 = answer
Chemistry
Got it 482.55003 85.5 years X (multiply) with 5.64386
Chemistry
I am in agreement, because there are other questions whereby the years is 90.2, anyway could anyone give a step by step method in answering the above question?
Chemistry
Another red X for 443
Chemistry
Did it with 536 and still red X. must be a system error.
Chemistry
had a red x !!! the answer is not 536!
Chemistry
2 and 4 is right ii)Decrease the cooling rate. iv)Add CaO to the glass melt
Chemistry
Which one is/are the possible ways?
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