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alexira [117]
3 years ago
11

Notice what happens to the numbers of protons, neutrons, and electrons when you

Chemistry
1 answer:
babymother [125]3 years ago
3 0

Answer:

Only the number of neutrons change.

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Identify the Lewis acid and Lewis base from among the reactants in each of the following equations. Match the words in the left
goldfiish [28.3K]

Answer:

1. Lewis acid: F. Fe₃⁺, Lewis base: B. CN⁻

2. Lewis acid: A. AlCl₃, Lewis base: D. Cl⁻

3. Lewis acid: C. AlBr₃, Lewis base: E. NH₃

Hope this helps.

8 0
3 years ago
How many significant figures does 0.0006510 of have?
arsen [322]
It has 4 significant figures. If you see the Zero after the one decimal point you don’t count that and instead just started at 6
7 0
3 years ago
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Provide 3 examples of substances that are mixtures and list the substances in them.
babunello [35]
Salt and water
Sugar and salt
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3 0
2 years ago
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If the formation of NaCl proceeds according to the following equation and change in enthalpy, what is the reaction and change in
Sergio039 [100]

Answer:

  • <em>2NaCl → 2Na + Cl₂, ΔH = 822 kJ </em>

Explanation:

The chemical <em>equation</em> for the <em>formation of NaCl</em> is:

  • Na + (1/2) Cl₂ → NaCl , ΔH = - 411 kJ

That equation means that 1 mole of NaCl is formed by the reaction of 1 mole of Na and 1/2 mole of Cl₂, with a release of energy of 411 kJ.

The <em>decomposition</em> of <em>NaCl</em> is the inverse of the <em>formation</em> reaction; thus, you swift products and reactants and inverse the sign of the <em>change in enthalpy:</em>

  • NaCl → Na + 1/2 Cl₂, ΔH = 411 kJ

Since you want the decomposition of 2 moles you multiply the equation and the ΔH by 2:

  • 2NaCl → 2Na + Cl₂, ΔH = 822 kJ ← answer

3 0
3 years ago
Electrolysis of 10.0 g of a binary metal chloride deposits 6.207 g of the pure metal. what is the metal?
Tasya [4]
Co2 is correct buddy
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3 years ago
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