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#11.) When iron rusts in air, iron(III) oxide is produced. How many moles of oxygen react with 77.4 mol of iron in the rusting reaction? 4Fe(s) + 3O2(g) → 2Fe2O3(s) Select one: a. 58 b. 100 c. 77 d. 120
answered Apr 1, 2019
2 votes
217k views
An experimental situation used as the basis of comparison is the control group. experimental group. hypothetical group. group of variables where changes will occur.
answered Jan 23, 2019
4 votes
205k views
The area of a rectangle is (x3 – 5x2 + 3x – 15), and the width of the rectangle is (x2 + 3). If area = length × width, what is the length of the rectangle? x + 5 x – 15 x + 15 x – 5
answered Dec 8, 2018
5 votes
127k views
(1.26*10^4kg)+(2.5*10^6g) in kg
answered Oct 18, 2018
3 votes
11.0k views
How was Alexander able to turn Porus's elephants into a kind of weapon?
answered Dec 31, 2017
3 votes
30.5k views
The ______ Basin contains the world's largest expanse of tropical rain forest. a. Salimões b. Rio Negro c. Amazon d. Orinoco
answered Apr 10, 2017
4 votes
133k views
What is the parthenon
answered Oct 20, 2016
5 votes
170k views
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