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faust18 [17]
3 years ago
5

Write a food chain in which the hawk is a secondary consumer:​

Chemistry
2 answers:
sammy [17]3 years ago
7 0

Answer:

Explanation:

Corn ----> Rat ----> Hawk

Corn =Producer

Rat = Primary Consumer

Hawk = Secondary Consumer

KATRIN_1 [288]3 years ago
3 0

Answer:

Food chain - Frog ---> Snake ---> Hawk

Hope this helps!

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How many grams of Fe2O3 are formed when 16.7 moles of Fe reacts completely with
lesantik [10]

Answer:

The answer to your question is 1) 1336 g of Fe₂O₃  2) 1 mol of H₃PO₄

Explanation:

1)

Data

mass of Fe₂O₃ = ?

moles of Fe = 16.7

Balanced chemical reaction

                 4Fe  +  3O₂  ⇒   2Fe₂O₃

a.- Calculate the moles of Fe₂O₃

                 4 moles of Fe ----------------- 2 moles of Fe₂O₃

                16.7 moles of Fe --------------  x

                                    x = (16.7 x 2)/4

                                    x = 33.4/4

                                    x = 8.35 moles of Fe₂O₃

b.- Calculate the molar mass of Fe₂O₃

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

c.- Convert moles to mass

                       160 g of Fe₂O₃ ------------ 1 mol

                          x                     ------------ 8.35 moles of Fe₂O₃

                          x = (8.35 x 160)/1

                          x = 1336 g of Fe₂O₃

2)

moles of H₃PO₄ = ?

mass of P₄O₁₀ = 71 g

Balanced chemical reaction

         P₄O₁₀ + 6H₂O ⇒ 4H₃PO₄

a.- Calculate the molar mass of P₄O₁₀

P₄O₁₀ = (31 x 4) + (16 x 10) = 124 + 160 = 284 g

b.- Convert the mass of P₄O₁₀ to moles

                   284 g ------------------- 1 mol

                     71 g -------------------- x

                       x = (71 x 1)/284

                       x = 0.25 moles of P₄O₁₀

c.- Calculate the moles of H₃PO₄

                   1 mol of P₄O₁₀ ---------------- 4 moles of H₃PO₄

                  0.25 moles     -----------------  x

                      x = (0.25 x 4) / 1

                     x = 1 mol of H₃PO₄

3 0
3 years ago
Hello! this is to my other post!
spin [16.1K]

I would pick the shrimp  because it has the most chromosomes so that is more protein we when you eat shrimp you are getting the most protein out of all of them

Explanation: put this in your own words please

5 0
3 years ago
Nijar did an experiment to test a hypothesis that baking soda is just as effective a cleaner as bleach. He found this not to be
kow [346]

Answer:

b no

Explanation:

4 0
3 years ago
Why does a balanced chemical equation support the law of conservation of mass
Elena L [17]

Answer:

A matter can not be created or destroyed in chemical reactions. In every chemical reactions, the same mass of matter must end up in the product as started in the reactants

8 0
2 years ago
What does a weather map use to represent areas of high air pressure?
Schach [20]
A weather map used an “h” to represent areas of higher air pressure
8 0
3 years ago
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