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fredd [130]
2 years ago
10

What is the coefficient for water after the equation is balanced?

Chemistry
1 answer:
Pie2 years ago
6 0

Answer:

1

Explanation:

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When the following reaction is completed and written in the form of a net ionic equation, which of the following elements will N
Alex Ar [27]

Answer:

d. N

Explanation:

Chemical equation:

Pb(NO₃)₂(aq)  + K₂SO₄(aq)  →  PbSO₄(s) + KNO₃(aq)

Balanced Chemical equation:

Pb(NO₃)₂(aq)  + K₂SO₄(aq)  → PbSO₄(s) + 2KNO₃(aq)

Ionic equation:

Pb²⁺(aq) + 2NO₃⁻(aq)  + 2K⁺(aq) + SO₄²⁻(aq)  → PbSO₄(s) + 2K⁺(aq) + 2NO₃⁻(aq)

Net ionic equation:

Pb²⁺(aq) + SO₄²⁻(aq)  → PbSO₄(s)

The NO₃⁻(aq) and K⁺(aq)are spectator ions that's why these are not written in net ionic equation. The PbSO₄ can not be splitted into ions because it is present in solid 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.  

4 0
3 years ago
How are diffusion and osmosis different?
elena55 [62]
Osmosis is about the movement of water molecules and diffusion is about the movement of substances
8 0
3 years ago
Draw the resonance structures for (SCN)".
Phantasy [73]

Answer : The resonance structure of SCN is shown below.

Explanation :

Resonance structure : It is defined as when more than one Lewis structure can be drawn, the molecule or ion is said to have resonance.

Resonance is the concept where electrons (bonds) are delocalized over three or more atoms which cannot be depicted with one simple Lewis structure.

First we have to draw Lewis-dot structure.

Lewis-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.

In the Lewis-dot structure the valance electrons are shown by 'dot'.

The given molecule is, SCN

As we know that sulfur has '6' valence electrons, carbon has '6' valence electrons and nitrogen has '5' valence electron.

Therefore, the total number of valence electrons in SCN = 6 + 4 + 5 = 15

According to Lewis-dot structure, there are 7 number of bonding electrons and 8 number of non-bonding electrons.

In SCN, carbon atom is the central atom and sulfur and nitrogen are the neighboring atoms.

The resonance structure of SCN is shown below.

3 0
3 years ago
4.True or false. P(E) + P(Ec) = 1.
iogann1982 [59]
4.) True: 
Since
P(E) = 1 - P(Ec)
P(E)+P(Ec)=1 
If you think of it as the chances of you getting e or not getting e, then it's a 100% chance of either one happening. 
4 0
3 years ago
In a step-down transformer, which side has more wire loops?
Marat540 [252]
B. The Secondary side of the step down transformer.
7 0
3 years ago
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