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3 years ago

2 points

Chemistry

1 answer:

Drupady [299]3 years ago

7 0

Answer: The ratio of carbon to bromine atoms in the molecule is 3:1

Explanation:

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass. It can be decomposed into simpler constituents using chemical reactions.

Chemical formula shows the elements in a compound and the relative proportions of those elements.

The chemical formula given for the compound is $C_3H_6BrCl$ which means the ratio of carbon to bromine atoms is 3: 1.

Thus the ratio of carbon to bromine atoms in the molecule is 3:1

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from the balanced equation we see that h20 is 1 to 1 mole ratio the number of moles of acid and base. What is the number of mole

forsale [732]

Answer:

0.0498 mol

Explanation:

Number of moles = concentration in mol/L × volume in L

Concentration = 1 M = 1 mol/L

Volume = 49.8 mL = 49.8/1000 = 0.0498 L

Number of moles = 1×0.0498 = 0.0498 mol

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4 years ago

Why does common table salt (NaCl) have a high melting point?

Artist 52 [7]

COmmon table salt (NaCl) have a high melting point because it is ionically bonded and it takes a lot of energy to break the electrostatic attractions between the cations and the anions. Hope this answers the question. Have a nice day.

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3 years ago

A solution of iron(III) chlorate was poured into a lithium phosphate solution. Would you expect a precipitate to form if 354.0 m

Artist 52 [7]

Answer:

K. Yes, because Qsp > Ksp for iron(III) phosphate

Explanation:

Lithium chlorate is very soluble in water, that means has a big ksp.

Iron (III) phosphate has a ksp of 1.3x10⁻²²

Ksp formula of iron (III) phospate is:

FePO₄(s) ⇄ Fe³⁺(aq) + PO³⁻(aq)

Ksp = [Fe³⁺] [PO₄³⁻] = 1.3x10⁻²²

Molar concentration of Fe³⁺ and PO₄³⁻ is:

[Fe³⁺] = 0.340L ₓ (2.52x10⁻⁹mol / L) ÷ (0.354L + 0.520L) = 9.8x10⁻¹⁰M

[PO₄³⁻] = 0.520L ₓ (4.65x10⁻¹¹mol / L) ÷ (0.354L + 0.520L) = 2.78x10⁻¹¹M

Replacing in Ksp formula:

Qsp = [9.8x10⁻¹⁰] [2.78x10⁻¹¹M] = 2.72x10⁻²⁰

As Qsp > Kps, the equlibrium will shift to the right decreasing the ions concentrations producing FePO₄(s), a precipitate

The ions decreases its concentration until Q = Kps

Thus, right answer is:

K. Yes, because Qsp > Ksp for iron(III) phosphate

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3 years ago

Which element has 32 protons in its nucleus? phosphorus cobalt germanium sulfur

vovangra [49]

Answer:

Germanium.

Explanation:

In a neutral atom: the number of protons = the number of electrons.

Atomic number of a neutral atom = number of electrons = number of protons.

Phosphorous is an element with atomic number 15 and thus contains 15 electrons and 15 protons.

Cobalt is an element with atomic number 27 and thus contains 27 electrons and 27 protons.

Germanium is an element with atomic number 32 and thus contains 32 electrons and 32 protons.

Sulfur is an element with atomic number 16 and thus contains 16 electrons and 16 protons.

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3 years ago

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In certain conditions, hydrogen gas produces the emission spectra shown below. What causes the bright lines seen in the spectra?

rusak2 [61]

Answer:

a bright line spectrum is prodecued when an electron falls from a higher energy state

Explanation:

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3 years ago