@Wassilazayed

Wassilazayed

Beginner

Bonjour, j'ai exercice à faire, j'ai tout réussi mais y'a une question que j'arrive pas pouvez vous m'aider, c'est juste pour me dire comment on fait parce que je suis perdue : quelle est la masse de 1,0.10^(-2) mol de dioxyde de carbone CO2 ? merci d'avance :)
Responda
Montrer que si f(x) = 1,4 alors x² - 1,4x + 0,48 = 0
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Bonjour, j'ai un oral à passer en anglais pour demain, il faut présenter un objet technologique, j'ai choisi un stylo qui signale les fautes d'orthographes, j'ai fait mon texte et tout mais je sais pas s'il y a des fautes. Corrigez-le svp, mercii :)"You just can not read letters riddled with misspellings ? Give the Lernstift your friends ! The Lernstift is a revolutionary pen that vibrates when you make a mistake . Vibration for a grammar mistake , two for a misspelling . To achieve this magic trick, it is connected to a wireless implementation of handwriting recognition . Until then, we could count on the automatic correction of word processing software . But these are not always effective, and most importantly, they have absolutely useless when writing with a pen on a sheet of paper!According to the creators , it is a real "bridge between classic handwriting and opportunities related to new technologies ." And indeed, the smart pen does not stop spelling . Through various applications , parents can take a look at what their children have learned two Lernstift users will be able to work in tandem on the same document , and children can send handwritten postcards to their grandparents by Internet . The pen also interested schools. The Lernstift is developed on a Kickstarter project , inventors seek to collect 140,000 euros to start production. They were harvested 21 000 already within one week."
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