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between the Næstved Gymnasium in Denmark and the LP2I in France
Posted in Group4.
– 26 May 2009
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I’m not sure i understand the exercise, but his weight is 126 on earth, so 126/6 = 61 kilos.
The composition og the breeze is :
78 % Nitrogen
20,9 % oxygen
0,9 % argon
and some more… look at the internet…
Sorry, but I will correct the exercice only when it will be completed entirely.
And “look at the Internet…” is not the answer of the second exercice so…
We give you a last chance. You can do again the exercice.
For the second exercice, you must to have the periodical picture of elements in front of you.
Good Luck! (Again)
Suggestion: Do again the TWO exercices.
ya, I know the stof about having the periodical piture of the elements, but in our school we have divided chemistry and physics into two sujects, and we thought that we only did physics. And I didn’t have book for chemistry with me on the day we did the stuff.