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DerKrebs [107]
3 years ago
5

What is the name of the compound K3N?

Chemistry
2 answers:
alexdok [17]3 years ago
8 0
The name of the compound K3N is potassium nitride (C).
loris [4]3 years ago
5 0

Answer:

C. Potassium nitride

Explanation:

ed*cere

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A container of hydrogen at 172 kPa was decreased to 85.0 kPa producing a new volume of 3L. What was the original volume?
Aneli [31]

Answer:

<h2>The answer is 1.48 L</h2>

Explanation:

In order to find the original volume we use the same for Boyle's law which is

P_1V_1 = P_2V_2

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

Since we are finding the original volume

V_1 =  \frac{P_2V_2}{P_1}  \\

From the question

P1 = 172 kPa = 172000 Pa

P2 = 85 kPa = 85000 Pa

V2 = 3 L

We have

V_1 =  \frac{85000 \times 3}{172000}  =  \frac{255000}{172000}  =  \frac{255}{172}  \\  = 1.482558139...

We have the final answer as

<h3>1.48 L</h3>

Hope this helps you

4 0
2 years ago
Elements are organized into groups / families according to their physical and chemical properties. Identify the elements that's
Kryger [21]

Answer:

1 valence - Alkali Metals: Li Lithium, Na Sodium, K Potassium

2 valence - Alkaline Earth Metals: Be Beryllium, Mg Magnesium, Ca Calcium

3 valence - Non-metals: B Boron, Al Aluminium

4 valence - Non-metals: C Carbon, Si Silicon

5 valence - Non-metals: N Nitrogen, P Phosphorus

6 valence - Non-metals: O Oxygen, S Sulfur, Se Selenium

7 valence - Halogens: F Fluorine, Cl Chlorine, Br Bromine

8 valence - Noble Gases: He Helium, Ne Neon, Ar Argon

3 0
3 years ago
By measuring the distance from the crest of one wave to the crest of another we will know the _____ of the light.
stepan [7]
The wave length of light. This determinds the color/type of light.
4 0
2 years ago
The vapor pressure of ethanol at
Karo-lina-s [1.5K]
482VP I think is  the correct answer.
5 0
3 years ago
The atomic mass of hydrogen is one. True False
mafiozo [28]

Answer:

It's true :) Hope that helps

8 0
3 years ago
Read 2 more answers
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