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gladu [14]
3 years ago
15

What is the universal force of attractions between bodies

Chemistry
1 answer:
Ivanshal [37]3 years ago
8 0
In physics, the force of attraction between two objects is gravitational force.<span>Isaac Newton's law of universal gravitation defines the concept of gravitational force, stating that a gravitational attraction exists between all objects. 

Hope this helps!! :D</span>
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What properties are associated with metals (grade 9 science)
quester [9]

Answer:

metals can be magnetic.

Explanation:

certain types of metals are magnetic.

5 0
2 years ago
Show your calculation by uploading a picture. Calculate the molar mass of ammonia, NH3
Cloud [144]

Answer:

17.04 g/mol

Explanation:

Molar Mass of NH₃

we know that

Nitrogen has 14.01 gram/mol

And Hydrogen has 1.01 gram/mol

but we have 3 Hydrogens So we multiply

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Now, add

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<u>-TheUnknown</u><u>Scientist</u>

5 0
2 years ago
Given the chemical equation: Fe2O3 + 3CO --&gt; 2Fe + 3CO2
lapo4ka [179]

Answer:

The answer to your question is 160 g of Fe₂O₃  

Explanation:

Data

mass of Fe = 112 g

mass of CO = in excess

mass of Fe₂O₃ = ?

Balanced chemical reaction

                Fe₂O₃  +  3CO  ⇒  2Fe  +  3CO₂

Process

1.- Calculate the molar mass of Fe₂O₃ and Fe

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

atomic mass of Fe = 56

2.- Use proportions to calculate the mass of Fe₂O₃ needed

                160 g of Fe₂O₃ ------------------- 2(56) g of Fe

                 x     g of Fe₂O₃ ------------------ 112 g of Fe

                 x = (112 x 160) / 2(56)

                 x = 17920/112

                 x = 160 g of Fe₂O₃          

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___Mg + ___Fe2O3 -&gt; ___MgO + ___Fe
kipiarov [429]
3 Mg, 0 Fe2O3, 3MgO, 2 Fe
5 0
2 years ago
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