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Alexandra [31]
3 years ago
5

In the sun, hydrogen is converted to ____________________ through nuclear fusion.

Chemistry
2 answers:
lana66690 [7]3 years ago
4 0

Answer:

Helium

In the sun, hydrogen is converted to __<u>Helium</u>__ through nuclear fusion.

Scorpion4ik [409]3 years ago
4 0

Answer:

helium

Explanation:

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Give an example of how environmental science might involve geology and chemistry.
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Write out a balanced, molecular equation, total ionic equation, and net ionic equation for each:
dangina [55]

Answer:

1:MgCO3 (s) + 2 NaNO3

2:agcl(s)+kno3(aq)

3:alcl3(aq)+h2(g)

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3 years ago
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hram777 [196]
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4 0
3 years ago
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
Lewis structure for CH3CL
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2 years ago
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