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2 years ago

9. Calculate the frequency of light with a wavelength = 12 km. (kilo = 10')

Chemistry

1 answer:

Schach [20]2 years ago

4 0

What grade are you in? I just wanna know just to see if I learned about this

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What is a common event due to transform plate movement at the San Andreas Fault Zone?

Genrish500 [490]

Answer:

Earthquakes

Explanation:

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2 years ago

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Why did early people most likely choose to settle in Mesopotamia?

Zigmanuir [339]

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People wanted to settle there because it had good living conditions. There was rich soil, and lots of water sources.

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3 years ago

Please help me with this and i'll give you brainlyst

Nataliya [291]

Answer:

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2 years ago

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. A room temperature white solid is mixed with a room temperature clear liquid resulting in a clear, colorless liquid that is ho

timurjin [86]

Yes, the chemical reaction occurs because new substance is formed and heat energy is released.

<h3>What is chemical reaction?</h3>

Chemical reaction is a process in which one or more substances i.e. the reactants, are converted to one or more different substances i.e. the products so we can conclude that the chemical reaction occurs because new substance is formed and heat energy is released.

Learn more about chemical reaction here: brainly.com/question/11231920

5 0

1 year ago

The density of a substance is 17.5 g/mL. Determine the volume (in mL) of 63.6 g of this substance.

andreyandreev [35.5K]

Answer:

<h2>volume = 3.63 mL</h2>

Explanation:

The density of a substance can be found by using the formula

<h3> $Density = \frac{mass}{volume}$ </h3>

Since we are finding the volume

Making volume the subject we have

<h3> $volume = \frac{mass}{Density}$ </h3>

From the question

mass = 63.6 g

Density = 17.5 g/mL

Substitute the values into the above formula and solve for the volume

That's

<h3> $volume = \frac{63.6}{17.5}$ </h3>

We have the final answer as

<h3>volume = 3.63 mL</h3>

Hope this helps you

5 0

3 years ago