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Helen [10]
2 years ago
14

.

Chemistry
1 answer:
nydimaria [60]2 years ago
4 0
Is the answer Radiation
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Iron oxide and hydrogen react to form iron and water in the following chemical equation:
just olya [345]

Answer:

The answer to your question is 245.9 g of Fe₂O₃

Explanation:

Data

grams of Fe₂O₃ = ?

grams of Fe = 172 g

Balanced chemical reaction

                Fe₂O₃  +  3H₂   ⇒   2Fe  +  3H₂O

Process

1.- Calculate the molar mass of of Iron Oxide and Iron

Fe₂O₃ = (2 x 56) + (3 x 16) = 112 + 48 = 160 g

2Fe = 2 x 56 = 112 g

2.- Use proportions and cross multiplication to solve this problem

                  160 g of Fe₂O₃ --------------- 112 g of Fe

                      x                   ---------------- 172 g of Fe

                      x = (172 x 160)/112

                      x = 27520/112

                     x = 245.9 g of Fe₂O₃

7 0
3 years ago

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Answer:

pH is the number given to a substance of how powerful it is before 7 or beyond 7.

the solution is an acid.

Explanation:

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7 0
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Which profession is likely to use a radiation shield?
pantera1 [17]
<span>Which profession is likely to use a radiation shield?
</span><span>A.)dentist
<em><u>B.)astronomer</u></em>
C.)mathematician
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The answer is B: Astronomer

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3 0
3 years ago
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Chose the mathematical formula expressing work.
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W = AB x F x Cos < AB, F
or just W= AB x F for short
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What is the work required for the separation of air (21-mol-% oxygen and 79-mol-% nitrogen) at 25°C and 1 bar in a steady-flow p
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Answer:

4oo

Explanation:

it

4 0
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