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zzz [600]
2 years ago
15

Enter the net ionic equation for this reaction. Express your answer as a net ionic equation. Identify all of the phases in your

answer. 2HCl(aq)+Ca(OH)2(aq) → 2H2O(l)+CaCl2(aq)
Chemistry
1 answer:
Lisa [10]2 years ago
6 0

Answer:

2H+(aq) + 2OH-(aq) → 2H2O(l)

Explanation:

Step 1: The balanced equation

2HCl(aq)+Ca(OH)2(aq) → 2H2O(l)+CaCl2(aq)

This equation is balanced, we do not have the change any coefficients.

Step 2: The netionic equation

The net ionic equation, for which spectator ions are omitted - remember that spectator ions are those ions located on both sides of the equation - will.

2H+(aq) + 2Cl-(aq) + Ca^2+(aq) + 2OH-(aq) → 2H2O(l) + Ca^2+(aq) + 2Cl-(aq)

After canceling those spectator ions in both side, look like this:

2H+(aq) + 2OH-(aq) → 2H2O(l)

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All of the atoms of argon have the same?
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2 is right i would think
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2 years ago
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What is the ion symbol for Lithium?
Bond [772]

Answer:

Lithium is an alkali metal. The symbol for lithium element is ‘Li’. It belongs to group 1 of periodic table. Its electronic configuration is 1s2 2s1. It has one valence electron. So it loses one electron to attain stable configuration. Hence the symbol for lithium ion is ‘Li+’.

Explanation:

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6 0
2 years ago
All forces require an input of ______<br><br> - mass<br> - energy<br> - speed<br> - atoms
artcher [175]

Energy is the correct answer. I hope I helped you

5 0
2 years ago
What characteristics separate the class Insecta from other classes of the phylum Arachnida
inna [77]

Answer:

Three pairs of walking legs, wings, body divided into three segments, pair of sensory antennae.

Explanation:

5 0
3 years ago
When a 3.00 g 3.00 g sample of KBr KBr is dissolved in water in a calorimeter that has a total heat capacity of 1.36 kJ ⋅ K − 1
cupoosta [38]

Answer:

Molar heat of solution of KBr is 20.0kJ/mol

Explanation:

Molar heat of solution is defined as the energy released (negative) or absorbed (Positive) per mole of solute being dissolved in solvent.

The dissolution of KBr is:

KBr → K⁺ + Br⁻

In the calorimeter, the temperature decreases 0.370K, that means the solution absorbes energy in this process. The energy is:

q = 1.36kJK⁻¹ × 0.370K

q = 0.5032kJ

Moles of KBr in 3.00g are:

3.00g × (1mol / 119g) = 0.0252moles

Thus, molar heat of solution of KBr is:

0.5032kJ / 0.0252moles = <em>20.0kJ/mol</em>

3 0
3 years ago
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