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lesantik [10]
2 years ago
8

A. single replacement B.Combustion C. synthesis D. Decomposition

Chemistry
1 answer:
Mashutka [201]2 years ago
7 0

\large \sf \: B. \: Combustion

  • It Is A Combination Reaction; Nitrogen & Hydrogen Combine to form ammonia

<h3>Hope It's Helps~</h3>
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Ionic compounds are electrically overall thereofre the sum of
Setler79 [48]
<span>substances consisting of ions held together by electrostatic attraction

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3 years ago
Nickel has chemical symbol Ni and the atomic 28. How many protons,neutrons,and electronic would be found in an atom of nickel-78
ira [324]
In nickel-78, there are 28 protons, 28 electrons, and 50 neutrons.

The protons is always the atomic number.
The electron would always be the atomic number when it's a neutral atom. (Different for isotopes)
The neutrons is always the number that makes up the mass with protons. You can figure it out by subtracting atomic mass by protons. (78-28 = 50)
8 0
3 years ago
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Water sits in an open beaker. assuming constant temperature and pressure, the vapor pressure of the water ______________ as the
user100 [1]

For a given system, vapor pressure can be defined as the pressure exerted by the vapor phase in equilibrium with the condensed phase.

In this case, as water sits in an open beaker it tends to evaporate thereby forming water vapor. This vapor phase then exerts a pressure over the liquid water, which is termed as the vapor pressure of water at that temperature and pressure. As water continues to evaporate, more and more molecules escape into the vapor phase which thereby increases the vapor pressure.

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3 0
3 years ago
Write a net ionic equation to show that hydroiodic acid, hi, behaves as an acid in water.
OlgaM077 [116]

Answer:

HI(aq) + H₂O(ℓ) ⟶ H₃O⁺(aq) + I⁻(aq)

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The HI donates a proton to the water, converting it to a hydronium ion

HI(aq) + H₂O(ℓ) ⟶ H₃O⁺(aq) + I⁻(aq)

Thus, the HI is behaving like a Brønsted acid.

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I will give brainliest and 76 points
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Answer:

number 5 is the answer

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