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adelina 88 [10]
3 years ago
14

Which equation represents the total ionic equation for the reaction of HNO3 and NaOH?

Chemistry
1 answer:
Goryan [66]3 years ago
4 0

Answer:

H⁺(aq) + NO₃⁻(aq) + Na⁺(aq) + OH⁻(aq) → Na⁺(aq) + NO₃⁻(aq) + H₂O(l)

Explanation:

First, we will write the molecular equation for the neutralization reaction between nitric acid and sodium hydroxide.

HNO₃(aq) + NaOH(aq) → NaNO₃(aq) + H₂O(l)

The total ionic equation includes all the ions and the molecular species.

H⁺(aq) + NO₃⁻(aq) + Na⁺(aq) + OH⁻(aq) → Na⁺(aq) + NO₃⁻(aq) + H₂O(l)

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Heeeeeeeeeeeeeeeeeeeeeelp
Genrish500 [490]

Answer:

The correct answer is 2.33g of H_{2}O, A

Explanation:

We can use basic stoich to get this question.

To start, lets convert our grams to moles in order to use our equation. 5.38g of O_{2} = (\frac{5.38}{2*15.999}) moles = 0.168136 moles.

We then can use our molar ratio of 13:10. Simply divide by our molar ratio in order to go from moles of O_{2} to moles of H_{2}O. This gets us 0.129335 moles of H_{2}O.

Now lets convert to grams of H_{2}O by multiplying by the molar mass of H_{2}O. .129335*(1.008*2+15.999) = 2.32997g of H_{2}O

7 0
3 years ago
Which of the following statements about the combustion of glucose with oxygen to form water and carbon dioxide (C6H12O6 + 6 O2 →
worty [1.4K]

Answer:

The correct statement is:

E - The entropy of the products is greater than the entropy of the reactants.

Explanation:

C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O

As glucose is a large molecule and then it is transformed into many molecules of water and carbon dioxide, the entropy of the system increases. If the number of molecules increases, the disorder increases.

Initial state: 7 molecules (1 glucose + 6 oxygen)

Final state: 12 molecules (6 carbon dioxide + 6 water)

3 0
3 years ago
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I am a metal which can be drawn into thin wires
Gwar [14]

Answer:

Silver and copper

Explanation:

Siliver

Electrical conductivity=62000000(s/m)

Boiling point=2162

Melting point=961.78

Phase=solid

Copper

Electrical conductivity=59000000(s/m)

Boiling point =2927

Melting point=1084.62

Phase=soild

Metals like gold, silver and copper are drawn into thin wire and are used in an electric circuit because of their high electrical conductivity

Mostly Siliver and copper are used since using gold is much expensive.

3 0
3 years ago
What is more reactive Scandium or Cobalt ?
m_a_m_a [10]

Answer:

Cobalt? LOL

Explanation:

5 0
3 years ago
How is an element represented in a chemical formula?
photoshop1234 [79]

Answer:

In a chemical formula, the elements in a compound are represented by their chemical symbols, and the ratio of different elements is represented by subscripts.

Explanation:

3 0
3 years ago
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