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OLEGan [10]
3 years ago
8

A certain FM radio wave has a frequency of 1.31 x 108 Hz. Given that radio waves travel at

Chemistry
1 answer:
Westkost [7]3 years ago
4 0

Answer:

2.28 m

Explanation:

Use the relationship  

λ=vf

 

to solve for wavelength λ. Substituting the known quantities yields:

λ=vf

 

λ=2.99 x 108 m/s1.31 x 108 Hz

 

λ=2.28 m

 

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3 years ago
How much potassium nitrate can be dissolved in 100 grams of water at 30°C?
masya89 [10]

Answer: In this case, you can estimate that the solubility of potassium nitrate in water at  

60

∘

C

is equal to about

solubility  

≈

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−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−  

This tells you that a saturated solution of potassium nitrate will hold about  

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3 0
3 years ago
A solution with a pH level of 7.0 would be considered as an Basic, Acidic, or neutral
ASHA 777 [7]

Answer:

Neutral.

Explanation:

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4 0
2 years ago
Read 2 more answers
2 and 3 i need help with. look at the attatched picture
snow_lady [41]

Answer:

2. +7

Explanation:

The oxidation state of Cl in `HClO_(4)` is +7.Apr 17, 2022

3ans. CrS+2No3 --) 2No+So4+cr^3+

Cr=1 Cr=1

S=1 S=1

N=1=2 N=1=2

O=3=6 o=5=6

now that is how it look and it is not balanced in oxygen so add 2 in the front of No3.

it will look something like this 2NO3. even if u add 2 in the fornt it is not balance so add again 2 in the No in second and it will look like this 2NO.

so now it is blance.

6 0
2 years ago
Which reason best explains why plasmas are good conductors of electricity
nexus9112 [7]

Answer:

they have mobile charged particles

Explanation:

A on edge

8 0
3 years ago
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