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Triss [41]
3 years ago
8

Myoglobin is particularly abundant in a) Nerves b) Muscles c) Blood cells d) Skin

Chemistry
2 answers:
MissTica3 years ago
6 0
Myoglobin is abundant in muscles.

Myoglobin's function is to carry oxygen to the muscles. Its heme group helps facilitate this exchange, as it allows the myoglobin to carry the oxygen.
notsponge [240]3 years ago
3 0
(B) Muscles is the correct answer
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Which of the following can be used to neutralize an ammonia (NH3) solution?
tensa zangetsu [6.8K]
It really depends on your options. 
Since NH3 solution is a weak base, the option that neutralizes a base is an acid. So find an acid among your options, and here are some examples: HNO3, HCl, etc.
5 0
3 years ago
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How long would it take for Hydrogen Peroxide to break down naturally (without an enzyme)
iogann1982 [59]

Answer:

Hydrogen peroxide is a very pale blue liquid at room temperature. A French scientist called Louis Auguste Thenard discovered the compound in 1818. Hydrogen peroxide can easily break down, or decompose, into water and oxygen by breaking up into two very reactive parts – either 2OHs or an H and HO2:

Explanation:

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3 years ago
Compound that occur widely in glass,
Flura [38]

Answer:

Mostly glass, cement and ceramic are made from sand which comes from silicate .

(Correct me if I am wrong,)

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3 years ago
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Helium decays to form lithium. Which equation correctly describes this decay?
GrogVix [38]

Answer:

⁴He₂ → ⁴Li₃ + ⁰e₋₁.

Explanation:

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  • A neutron decays to form a proton with the release of an electron.
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8 0
3 years ago
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Find the ph of a 0.250 m solution of nac2h3o2. (the ka value of hc2h3o2 is 1.80×10−5). express your answer numerically to four s
Slav-nsk [51]
Answer is: pH value of solution of NaC₂H₃O₂ is 9.07.
Chemical reaction: C₂H₃O₂⁻ + H₂O ⇄ HC₂H₃O₂ + OH⁻.
Ka(HC₂H₃O₂) = 1,8·10⁻⁵.<span>
Ka · Kb = Kw.
</span>1,8·10⁻⁵ mol/dm³ · Kb = 1·10⁻¹⁴ mol²/dm⁶; the ionic product of water at 25°C.<span>
Kb(</span>C₂H₃O₂⁻) = 1·10⁻¹⁴ mol²/dm⁶ ÷ 1,8·10⁻⁵ mol/dm³.<span>
Kb(</span>C₂H₃O₂⁻) = 5,56·10⁻¹⁰ mol/dm³.
c(C₂H₃O₂⁻) = 0,25 M.
[OH⁻] = [HC₂H₃O₂] = x.
[C₂H₃O₂⁻] = 0,25 M - x.
Kb = [OH⁻] · [HC₂H₃O₂] / [C₂H₃O₂⁻].
5,56·10⁻¹⁰ = x² / (0,25 M -x).
Solve quadratic equation: x = [OH⁻] = 0,0000118 M.
pOH = -log[OH⁻] = -log(0,0000118M) = 4,93.
pH + pOH = 14.
pH = 14 - 4,93 = 9,07.
6 0
3 years ago
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