Is the reaction endothermic or exothermic?
4Al(s)+ 3O2(g)--> 2Al2O3(s)+ 3351 KJ...
Chemistry, 18.03.2021 05:50 mimithurmond03
Is the reaction endothermic or exothermic?
4Al(s)+ 3O2(g)--> 2Al2O3(s)+ 3351 KJ
Answers: 2
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As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary
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Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.
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Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
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