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Ainat [17]
3 years ago
11

Aluminum hydroxide + nitric acid ➡ aluminum nitrate + water

Chemistry
1 answer:
m_a_m_a [10]3 years ago
4 0

Answer:

Chemical equation:

HNO₃ + Al(OH)₃   →  Al(NO₃)₃ + H₂O

Explanation:

Chemical equation:

HNO₃ + Al(OH)₃   →  Al(NO₃)₃ + H₂O

Balanced chemical equation:

3HNO₃ + Al(OH)₃   →  Al(NO₃)₃ + 3H₂O

Ionic equation:

3H⁺ + 3NO⁻₃(aq) + Al(OH)₃(s)   →  Al³⁺(aq) + 3NO₃⁻¹(aq) + 3H₂O(l)

Net ionic equation:

Al(OH)₃(s)  +  3H⁺(aq)     →  Al³⁺(aq) +  3H₂O(l)

The NO⁻₃ are spectator ions that's why these are not written in net ionic equation. The water can not be splitted into ions because it is present in liquid form.

Spectator ions:

These ions are same in both side of chemical reaction. These ions are cancel out. Their presence can not effect the equilibrium of reaction that's why these ions are omitted in net ionic equation.  

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Carboxypeptidases can be used to determine the entire sequence of short peptides (<50 amino acid residues) and it starts by r
zepelin [54]

Answer:

A. True

Explanation:

Carboxypeptidases are enzymes which function in the digestion of short peptides known as oligopeptides in the small intestine. Oligopeptides contain between 10 to 50 amino acid residues.

The two carboxypeptidases A and B involved in the digestion of proteins in the small intestine are secreted by the exocrine glands of the pancreas.They are both zinc-containing enzymes which remove successive carboxyl-terminal  (C-terminal) residues from oligopeptides until free amino acids are obtained.

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6 0
3 years ago
Which element is classified as an alkali metal?<br> Rb<br> Sr<br> Zr<br> Cl
qwelly [4]
Hi there.

Alkali metals are known as the group 1 elements.

When we know this, we just have to look to group 1 of the periodic table.

Rb (Rubidium) is in group 1; it is classified as an alkali metal.

~
4 0
3 years ago
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the lenght of the rug is 46.3 in. qnd the width is 26.3in. what is the lenght of this rug measured in centimeters
telo118 [61]
The length of the rug in cm will be
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7 0
4 years ago
From which plant can benzoic acid be obtained from?​
Sergeeva-Olga [200]

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7 0
4 years ago
Wheen 56j of heat are added to 11g of liquid, its temperature rises from 10.4 degrees celsius to 12 degrees celsius. What is the
svetoff [14.1K]

c = 3.2 \; \text{J} \cdot \text{kg}^{-1} \cdot \text{K}^{-1}

  • Energy change Q = 56 \; \text{J}
  • Mass being heated m = 11 \; \text{g}
  • Temperature change \Delta T = 12 - 10.4 = 1.6\;^{\text{o}}\text{C} which is the same as 1.6 \;\text{K}.

Heat capacity measures the energy required to raise the temperature of a unit mass of a substance by a unit degree. Therefore

c = Q / (m \cdot \Delta T) = 56/(11 \times (12 - 10.4)) = 3.2 \; \text{J} \cdot \text{kg}^{-1} \cdot \text{K}^{-1}


7 0
4 years ago
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