Kobe is testing whether 100 g of substance of a 100 g of substance b

Chemistry
Tutor: None Selected Time limit: 1 Day

or 100g c produces more oxygen in a chemical reaction at 25c what is the independent variable?

the masses of the substance 

the amount of oxygen produced 

the nature of the substances 

the temperature of the substances 

Sep 13th, 2015

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the nature of the substances 

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Sep 13th, 2015

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Sep 13th, 2015
May 29th, 2017
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