3 years ago

What can be determined from the frequency and wavelength of a wave?

1 answer:

5 0

The frequency and wavelength of a wave allows you to determine the speed of a wave. Because the speed of a wave equals wavelength times frequency, you can determine speed knowing the both the frequency and wavelength.

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3. Complete the following table.

Vinil7 [7]

Li and CI or C and H

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3 years ago

What does it mean if a solution is a "weak acid "? Strong acid? Give logical ph values for each

galina1969 [7]

Answer:

A weak acid is an acid that partially dissociates into its ions in an aqueous solution or water. In contrast, a strong acid fully dissociates into its ions in water. At the same concentration, weak acids have a higher pH value than strong acids.

Explanation:

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2 years ago

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bearhunter [10]

Answer:

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Explanation:

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2 years ago

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Assume a gasoline is isooctane, which has a density of 0.692 g/ml. What is the mass of 3.8 gal of the gasoline (1 gal = 3.78 l)?

sveticcg [70]

Density is the ratio of mass to the volume.

The mathematical expression is given as:

$density=\frac{mass}{volume}$

Now, density of isooctane = $0.692 g/mL$

Volume = $3.8 gal$

Since, 1 gallon = 3.78 L

So, 3.8 gal = $3.78 L\times 3.8$

= $14.364 L$

As, 1 L = 1000 mL

Therefore, $14.364 L$ = $14.364 L\times 1000 mL$

Volume in mL = $14364 mL$

Put the values,

$0.692 g/mL=\frac{mass}{14364 mL}$

$m = 0.692 g/mL\times 14364 mL$

= $9939.888 g$

Hence, mass of 3.8 gal of the gasoline is $9939.888 g$ .

6 0

3 years ago

In order to become stable, Potassium, K, will _______ and have a resulting charge of _____.

svlad2 [7]

Answer:

Explanation:

it doesn't matter how many protons k has all the answers have electron with the positive charge when is negative the question is trying to distract you D is the only one that would use the electrons sign correctly

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2 years ago