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Molodets [167]
3 years ago
12

Balance this equation by using the correct coefficient ​

Chemistry
1 answer:
mars1129 [50]3 years ago
6 0

Answer:

4 Al +3 02-------> 2 AL2O3

Explanation:

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What elements are in nickel oxide
shepuryov [24]

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4 0
4 years ago
Read 2 more answers
Question 22
ruslelena [56]

Answer:

O2, oxygen.

Explanation:

Hello.

In this case, for the undergoing chemical reaction, we need to compute the moles of CO2 yielded by 85 g of CH4 (molar mass = 16 g/mol) and by 320 g of O2 (molar mass 32 g/mol) via the following mole-mass relationships:

n_{CO_2}^{by\ CH_4}=85gCH_4*\frac{1molCH_4}{16gCH_4} *\frac{1molCO_2}{1molCH_4} =5.3molCO_2\\\\n_{CO_2}^{by\ O_2}=320gO_2*\frac{1molO_2}{32gO_2} *\frac{1molCO_2}{2molO_2} =5molCO_2

Considering the 1:2:1 among CH4, O2 and CO2. Therefore, since 320 g of O2 yield the smallest amount of CO2 we infer that the limiting reactant is O2.

Best regards.

5 0
3 years ago
How many oxygen atoms are present in 0.500 mol carbon dioxide
Paha777 [63]
Carbon dioxide = CO2

.5 mol CO2 = 1 mol O

1 mol O = <span><u>6.022140857 × 10^23  Oxygen atoms</u></span>
6 0
3 years ago
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