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LUCKY_DIMON [66]
3 years ago
12

Without constants you would not know which variable affected the

Chemistry
1 answer:
bonufazy [111]3 years ago
4 0
Two independent variables could change at the same time, and you would not know which variable affected the dependent variable
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How many moles of aluminum oxide would form if 12.5 moles of aluminum burned​
jarptica [38.1K]
<h3>Al + O2 -> Al2O3</h3>

Balance it:

<h3>2Al + 3O2 -> 2Al2O3</h3><h3 />

So you need 2 Al and 3 O2 to make 2 Al2O3 (aluminum oxide).

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3 years ago
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Okay so i think to calculate volume change you use the ideal gas law . this is pressure x volume = amount of substance x ideal gas constant x temperature. i honestly don’t know where to go from there but i hope this helped a bit :(
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