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Andru [333]
3 years ago
10

What is the gram formula mass of Fe(NO3)3

Chemistry
1 answer:
olga55 [171]3 years ago
6 0
242 g/mol...... hope it helps :)
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Does the nucleus (protons and neutrons) weigh more than the electrons?
Butoxors [25]
The mass of nucleons (and thus of the nucleus) is roughly 1000 times greater than that of electrons.
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3 years ago
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Consider the following intermediate reactions.
Alja [10]

2.1648 kg of CH4 will generate 119341 KJ of energy.

Explanation:

Write down the values given in the question

CH4(g) +2 O2 → CO2(g) +2 H20 (g)

ΔH1 = - 802 kJ

2 H2O(g)→2 H2O(I)

ΔH2= -88 kJ

The overall chemical reaction is

CH4 (g)+2 O2(g)→CO2(g)+2 H2O (I) ΔH2= -890 kJ

CH4 +2 O2 → CO2 +2 H20

(1mol)+(2mol)→(1mol+2mol)

Methane (CH4) = 16 gm/mol

oxygen (O2) =32 gm/mol

Here 1 mol CH4 ang 2mol of O2 gives 1mol of CO2 and 2 mol of 2 H2O

which generate 882 KJ /mol

Therefore to produce 119341 KJ of energy

119341/882 = 135.3 mol

to produce 119341 KJ of energy, 135.3 mol of CH4 and 270.6 mol of O2 will require

=135.3 *16

=2164.8 gm

=2.1648 kg of CH4

2.1648 kg of CH4 will generate 119341 KJ of energy

4 0
3 years ago
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Determine the molar concentration of HCL required if 40cm^3 of HCL is reacted with 36g of magnesium via this equation.
Art [367]

The answer is in the photo.

4 0
3 years ago
When the equation Fe + Cl2 ----> FeCl3 is correctly balanced the coefficient for Cl2 is
Marysya12 [62]

The correct answer is D. Using the law of conservation of mass the number of atoms on each side of the equation should be equal. Through introspection, we find that there are 2Cl atoms on reactant side as opposed 3Cl atoms on product side. If we add a coefficient of 3 on Cl_2 we get

Fe + 3Cl_2 ==> FeCl_3.

Now there are 6Cl atoms on reactant side and 2 on product side, hence we add a coefficient of 2 on both FeCl_3 and Fe. The balanced chemical equation is,

2Fe + 3Cl_2 ==> 2FeCl_3

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3 years ago
Balance AgL + Fe2(Co3)3 = FeL3 + Ag2Co3
nydimaria [60]
<h3>Answer:</h3>

6AgI + Fe₂(CO₃)3 → 2FeI₃+ 3Ag₂CO₃

<h3>Explanation:</h3>
  • The process of balancing chemical equations involves putting coefficients on reactants and products to ensure the number of atoms of each element is equal on both sides of the equation.
  • It is a try and error method that is done to make an equation obey the law of conservation of mass.

In this case;

  • Our unbalanced equation is, AgI + Fe₂(CO₃)3 → FeI₃+ Ag₂CO₃
  • It can be balanced by putting the coefficients 6, 1, 2, 3.
  • Therefore, the balanced chemical equation is;

6AgI + Fe₂(CO₃)3 → 2FeI₃+ 3Ag₂CO₃

3 0
3 years ago
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