Which chemical is oxidized?<br><br> A) Mg<br> B) O2<br> C) MgO

Take note of the subscript written for each element in the compound. To find the total number of moles, make sure to multiply the subscript with the number of moles of compound. The answer for each is written below:

a. 3*1 = 3 moles Nitrogen; 3*3 = 9 moles Hydrogen
b. 0.25*2 = 0.5 moles Hydrogen; 0.25*1 = 0.25 moles Oxygen
c. 5*2 = 10 moles Hydrogen; 5*1 =5 moles Sulfur; 5*4 = 20 moles Oxygen
d. 0.75*1 = 0.75 moles Calcium; 0.75*1*2 = 1.5 moles Nitrogen; 0.75*3*2 = 4.5 moles Oxygen

7 0

3 years ago

7. The volume of a gas originally at standard temperature and pressure was recorded as 488.8 mbu

11111nata11111 [884]

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6 0

3 years ago

Which chemical is oxidized? A) Mg B) O2 C) MgO