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GenaCL600 [577]
3 years ago
14

The third ionization energy of bromine is the energy required for which of the following processes?

Chemistry
1 answer:
Rzqust [24]3 years ago
3 0

Answer:

<u><em /></u>

  • <u><em>Br²⁺ (g)  → Br³⁺ (g) + e⁻</em></u>

Explanation:

1) The <u>first ionization energy</u> is the energy required to release an electron from a gas neutral atom.

Hence, this is the energy required for this process:

  • Br (g)  → B⁺ (g) + e⁻

2) The <u>second ionization energy </u>is the energy required to release an electron from a gas ion with charge 1+.

Hence, this is the energy required for this process:

  • Br⁺ (g)  → B²⁺ (g) + e⁻

3) The<em><u> third ionization energy</u></em> is the energy required to release an electron from a gas ion with charge +2.

Hence, this is the energy required for this process:

<u />

  • <u><em>Br²⁺ (g)  → B³⁺ (g) + e⁻</em></u>
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In the covalent compound C3H8 the Greek prefix used to represent the cation is?
krok68 [10]

Answer:

pro

Explanation:

c3h8 is propane

3 carbons makes it PROpane

the ANE come from all single bonds

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In the spring of 1947 a ship carried ammonium nitrate fertilizer blew up while at a harbor in Texas City, Texas
nirvana33 [79]

It was a spring morning of April 16, 1947, was a morning that many citizens of Texas City thought was the end of the world. The French Liberty ship, SS Grandcamp, bearing a cargo of ammonium nitrate fertilizer (over 2300 tons) destined for war-torn Europe, caught fire in the Texas City harbor. The bright ... A little after 9.00 a.m., the Texas City Disaster (as it is popularly known) occurred as the ship Grandcamp exploded.

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3 years ago
A 5.000 g sample of Niso4 H2O decomposed to give 2.755 g of anhydrous NiSO4.
Vinvika [58]

Answer:

a) 7.0.

b) Nickel sulfate hepta hydrate.

c) 280.83 g/mol.

d) 44.9%.

Explanation:

<u><em>a) What is the formula of the hydrate?</em></u>

The mass of the hydrated sample (NiSO₄.xH₂O) = 5.0 g,

The mass of the anhydrous salt (NiSO₄) = 2.755 g,

The mass of water = 5.0 g - 2.755 g = 2.245 g.

∴ no. of moles of water = mass/molar mass = (2.245 g)/(18.0 g/mol) = 0.1247 mol.

∴ no. of moles of anhydrous salt (NiSO₄) = mass/molar mass = (2.755 g)/(154.75 g/mol) = 0.0178 mol.

∴ water of crystallization in the sample (x) = no. of moles of water/no. of moles of anhydrous salt (NiSO₄) = (0.1247 mol)/(0.0178 mol) = 7.0.

<u><em>b) What is the full chemical name for the hydrate?</em></u>

The name of the salt (NiSO₄.7H₂O) is Nickel sulfate hepta hydrate.

<u><em>c) What is the molar mass of the hydrate? </em></u>

(NiSO₄.7H₂O)

The molar mass = molar mass of NiSO₄ + 7(molar mass of H₂O) = (154.75 g/mol) + 7(18.0 g/mol) = 280.83 g/mol.

<em><u>d) What is the mass % of water in the hydrate?</u></em>

The mass % of water = (mass of water)/(mass of hydrated sample) x 100 = (2.245 g)/(5.0 g) x 100 = 44.9%.

8 0
3 years ago
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1 golf ball has more mass than a tennis ball.
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Cloud [144]

Explanation:

An acid is a substance that ionizes to produce excess hydrogen ion in solutions.

  • A concentrated acid contains a high amount of hydrogen ions in solution compared to other ions.
  • Such solutions usually ionizes completely.
  • A dilute solution contains a high proportion of water and with low amount of hydrogen ions.
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