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alexgriva [62]
4 years ago
8

Place the items in order from the largest wavelength to the shortest wavelength.

Chemistry
1 answer:
balandron [24]4 years ago
3 0

The order from longest to shortest wavelength is;

Radio wave  (longest wavelength)

Microwave

Infrared

Red visible

Orange visible

Yellow visible

Green visible

Blue visible

Violet visible

Ultraviolet (UV)

X-ray

Gamma radiation (shortest wavelengths)


This is referred to as the electromagnetic spectrum.


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What is the oxidation state of Hydrogen in H20<br><br> +2<br> +1<br> -2<br> -1
xeze [42]
<h3>What is the oxidation number of oxygen in H2O?</h3>

Oxygen almost always has an oxidation number of -2, except in peroxides (H 2 O 2) where it is -1 and in compounds with fluorine (OF 2) where it is +2. Hydrogen has an oxidation number of +1 when combined with non-metals, but it has an oxidation number of -1 when combined with metals.

<h3><em>Sure hoep this helps you :)</em></h3>
6 0
2 years ago
When the pH decreases from 6 to 3, the hydrogen ion, H+, increases by what?
Irina-Kira [14]

pH decreases as the hydrogen ion concentration increases.

<u>Explanation:</u>

When there is a decrease in pH, that is pH decreases from 6 to 3 then the acidity increases.

That is the pH is between 1 to 7 then it is acidic

When the pH is 7 then it is neutral

When the pH is between  7 to 14 then it is basic

As the H⁺ ion concentration increases, then the pH value decreases, here pH decreases from 6 to 3.

So the concentration of Hydrogen ion increases, pH decreases.

3 0
3 years ago
NEED HELP FAST!!
koban [17]

Answer:

I'm pretty sure that's right.

Explanation:

Download pdf
8 0
3 years ago
How many grams of hydrogen gas would be needed to form 8.0 grams of water? H2+O2=H2O
damaskus [11]
8 H2= 0.90 g , hope that helps
you with your work 

7 0
3 years ago
Hydrogen and chlorine react to form hydrogen chloride, like this:
REY [17]

Answer:

the value of the equilibrium constant Kp for this reaction is 0.275

Explanation:

Step 1: Data given

Pressure HCl at the equilibrium = 18.0 atm

Pressure H2 at the equilibrium = 25.4 atm

Pressure Cl2 at the equilibrium = 46.4 atm

Step 2: The balanced equation

H2(g) + Cl2(g) → 2 HCl(g)

Step 3: Calculate the value of the equilibrium constant Kp for this reaction

Kp = (pHCl)² / (pH2*pCl2)

Kp = 18.0² / (25.4 * 46.4)

Kp = 324 / 1178.56

Kp = 0.275

the value of the equilibrium constant Kp for this reaction is 0.275

3 0
4 years ago
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