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Dahasolnce [82]
3 years ago
8

Write the complete balanced equation for the reaction between iron (III) oxide (Fe2O3) and water (H2O). You do not need to make

the subscripts smaller; just write them out as regular numbers. For example: Fe2O3
Chemistry
2 answers:
igomit [66]3 years ago
7 0
Fe2O3 + H2O → Fe2O3·H2O
This is a hydration reaction where the iron oxide is dissolved into the water.
Phoenix [80]3 years ago
5 0

Explanation:

An equation will be balanced if the number of reactants equals the number of products.  

The given reaction is as follows.

      Fe_{2}O_{3} + H_{2}O \rightarrow Fe(OH)_{3}

Number of atoms on reactant side are as follows.

  • Fe = 2
  • O = 4
  • H = 2

Number of atoms on product side are as follows.

  • Fe = 1
  • O = 3
  • H = 3

Thus, to balance the given equation we need to multiply H_{2}O on reactant side by 3 and Fe(OH)_{3} by 2 on the product side.

Therefore, the balanced chemical equation will be as follows.

      Fe_{2}O_{3} + 3H_{2}O \rightarrow 2Fe(OH)_{3}

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ccording to the Bohr model of the atom, when an electron goes from a higher-energy orbit to a lower-energy orbit, it ________ el
marishachu [46]

Answer:

1. Absorbs electromagnetic energy

2. Energy difference between the two orbits.

Explanation:

Bohr precisely describe the processes of absorption and emission of energy in terms of electronic structure. According to Bohr's model, an electron would absorb energy in the form of photons to get excited to a higher energy level as long as the photon's energy was equal to the energy difference between the initial and final energy levels. After jumping to the higher energy level or the excited state, the excited electron would be in a less stable position, so it would quickly emit a photon to relax back to a lower, more stable energy level.

7 0
3 years ago
A chemist heats a sample of hydrated lithium nitrate which weighs 170 grams and finds, after heating that it weighs 95.3 grams.
Agata [3.3K]

Explanation:

170-95.3 = 74.7

that means

74.7% of water in hydrate

7 0
3 years ago
What is the ratio of the areas of the signals in the h nmr spectrum of pentan-3-ol?
Damm [24]

The ratio of the areas of the signals in the h NMR spectrum of pentan-3-ol is 6: 4: 1: 1. The correct option is A.

<h3>What is a NMR spectrum?</h3>

Nuclear magnetic resonance spectroscopy is a spectroscopy that shows the detailed structure and chemical environment of a chemical element.

Pentan-3-ol contain 12 hydrogen atoms. In H-NMR spectra, hydrogen atoms have same environment gives a signal.

There are 4 different kinds of signals due of the 4 different environment experienced by these 12 hydrogens.

Thus, the  ratio of the areas of the signals in the h NMR spectrum of pentan-3-ol is 6: 4: 1: 1. The correct option is A.

Learn more about NMR spectrum

brainly.com/question/9812005

#SPJ4

8 0
2 years ago
Calculate the wavelength of a body of mass 96.0 mg and moving with a velocity of 30.0 m/s. The value of Planck’s constant is 6.6
Katen [24]

Answer:

vcvvvvvvvvvvvvvv

Explanation:

6 0
2 years ago
Which of the following describes the arrangement of valence electrons in a bond between H and F?
Sloan [31]
C; The Valence electrons spend more time around the atom of F
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