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BigorU [14]
3 years ago
11

Complete the following precipitation reaction with balanced molecular, total ionic, and net ionic equations. Remember to include

the proper physical states and charges of ions. When writing ions, if a charge number is not "1", place the charge number before the charge sign. If a charge number is "1", do not include the charge number in the formula. Na2S(aq) + ZnSO4(aq) →
Chemistry
1 answer:
LekaFEV [45]3 years ago
4 0

<u>Molecular equation (includes all species in the molecular form)</u>

Na₂S(aq) + ZnSO₄(aq) → Na₂SO₄(aq) + ZnS(s)

<u>Total ionic equation (includes all ions. Insoluble solids do not dissociate)</u>

2 Na⁺(aq) + S²⁻(aq) + Zn²⁺(aq) + SO₄²⁻(aq) → 2 Na⁺(aq) + SO₄²⁻(aq) + ZnS(s)

<u>Net ionic equation (includes only ions that participate in the reaction, that is, it does not include spectator ions)</u>

S²⁻(aq) + Zn²⁺(aq) → ZnS(s)

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3 0
3 years ago
How much heat is required to raise the temperature of 81.0 g of water from its melting point to its boiling point?
Dovator [93]

Answer:

Specific heat of water = 33.89 KJ

Explanation:

Given:

mass of water = 81 gram

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Final temperature = 100°C

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Required heat Q

Computation:

Q = Mass x Specific heat of water x (Final temperature - Initial temperature)

Q = (81)(4.184)(100-0)

Q = 33,890.4

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6 0
3 years ago
A chemist performs the following reaction to make sodium nitrate
vagabundo [1.1K]

Answer:

See below

Explanation:

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5 0
3 years ago
Read 2 more answers
The average distance between molecules always increases during which of the following phase changes?
vodomira [7]

Answer:

B. liquid to gas

Explanation:

Matter exists in 3 different states:

- Solid: in solids, particles in the substance are tightly bond to each other through strong intermolecular forces. Therefore, they can only vibrate around their fixed position, but they cannot move freely: as a result, the distance between the particles is the smallest among the 3 states of matter.

- Liquid: in a liquid, particles are able to slide past each other, however there are still intermolecular forces keeping them not too far from each other. As a result, in liquids, particles are on average more distance from each other compared to solids.

- Gas: in a gas, particles are completely free to move, as the intermolecular forces between them are negligible. As a result, in gases, the distance between molecules is the greatest, compared with solids and liquids.

Therefore, the phase changes in which the average distance between molecules increases is:

B. liquid to gas

4 0
3 years ago
Strengths as bases:<br>H2O, F-, Cl-, NO,, and CN- <br>​
navik [9.2K]

Answer:

Cl^-<NO3^-<H2O<F^-<CN^-

Explanation:

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The greater the ability of a specie to accept H^+, the greater its base strength.

The order of increasing base strengths of the species listed are shown in the answer above.

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3 years ago
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