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Naddika [18.5K]
3 years ago
12

8. Fill in the blanks underneath the wave spectrum to indicate the relative positions of each type of

Chemistry
1 answer:
anzhelika [568]3 years ago
7 0
Ultraviolet as ultraviolet light waves are around 420 nm like stated in the photo
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Explain what happens during soil depletion and also how we can help prevent this naturally without chemicals?
Aleks04 [339]

Answer:  create more healthy products for the soil and animals

Explanation:

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3 years ago
What is a rise in seawater levels pushed to shore during a hurricane called?
zalisa [80]

Answer:

A storm surge

Explanation:

A rise in sea level that happens during tropical cyclones, and storms like typhoons or hurricanes is called a Storm Surge.

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3 years ago
You are trying to dilute antifreeze to put in your car. You use 1.00 L of the antifreeze with a concentration of 9.24 M. You add
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Use mv=mv, plug in the know 1x9.24=3m. Solve for m, which m is 3.08M
3 0
3 years ago
What would be the resulting molarity of a solution made by dissolving 21.9 grams of KCl in enough water to make an 869-millilite
viktelen [127]
Molar mass KCl = <span>74.5513 g/mol

Number of moles:

21.9 / 74.5513 => 0.293 moles

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Molarity = 0.293 / 0.869

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8 0
4 years ago
1. Consider the reaction: N2 (g) + O2 (g)  2NO (g) + Cl2 (g) A reaction mixture at 400 C has the following composition: [NO] =
Olegator [25]

Answer:

The reaction is not at the equilibrium, we have more products than reactants.

Explanation:

Step 1: Data given

Temperature = 400 °C

When Q=K, this means the system is at equilibrium. There will not be a shift to either the left or the right.

When Q<K,it means we have more reactants than products. The system will, as reaction, make more products, this will cause the equilibrium to move to the right.

When Q>K,it means we have more products than reactants. The system will, as reaction, make less products and more reactants, this will cause the equilibrium to move to the left.

[NO] = 0.01 M

[N2] = 0.001 M

[O2] = 0.001 M

Kc = 0.0156

Step 2: The balanced equation

N2 (g) + O2 (g) ⇆ 2NO (g) + Cl2 (g)

Step 3: Calculate Q

Q = [NO]²/[N2][O2]

Q = 0.01²/(0.01*0.001)

Q = 10

Q>>Kc

This means we have more products than reactants. The system will, as reaction, make less products and more reactants, this will cause the equilibrium to move to the left.

The reaction is not at the equilibrium, we have more products than reactants.

4 0
3 years ago
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