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34kurt
3 years ago
8

Crystallization from cooling magma describes one way that

Chemistry
1 answer:
Helen [10]3 years ago
6 0
<span>This is a description of how volcanic rocks are made. This is a metamorphic way of rock formation that occurs by having lava cool down and stack on top of other land or other previously cooled lava. When it happens under the ocean, entire islands can get created eventually with layer after layer of lava cooling down. Hope this helps. Let me know if you need additional help!</span>
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The photoelectric effect occurs when _____ are emitted from metal when the metal is struck by light of certain frequencies.
Ainat [17]

Answer:

electrons

Explanation:

The photoelectric effect occurs when electrons are emitted from metal when the metal is struck by light of certain frequencies.

Some of the applications of this effect include photomultipliers (which are a key component in spectroscopy instruments) and night vision devices.

4 0
3 years ago
Read 2 more answers
The products in this reaction
Delvig [45]

Answer:

It’s either B or C:

В. have the same atom arrangement as the reactants.

С. have different properties than the reactants.

Explanation:

Sorry, I don’t know a lot about this topic :(

4 0
3 years ago
Marijuana most abundant psychoactive chemical is delta-9- tetrahydrocannabinol or
Galina-37 [17]
<h2>Answer:</h2>

<u>Yes the statement is</u><u> True</u>

<h2>Explanation:</h2>

THC is a chemical which stands for delta-9-tetrahydrocannibinol or Δ-9-tetrahydrocannabinol (Δ-9-THC). This chemical is a cannabinoid molecule in marijuana or cannabis that has long been known as the main psychoactive ingredient in marijuana which means that it is the substance that causes users to experience the marijuana high.  It can be detected in the blood up to 20 hours after ingestion, and it's stored in the body fat and organs for three to four weeks after ingestion.

7 0
3 years ago
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How many moles of glucose (C6H12O6) are in 4.0 liters of a 4.5 M C6H12O6 solution? (3 points) Question 1 options: 1) 18 moles 2)
qwelly [4]
You need to start by subbing in the correct numbers for these values/properties in this formula:

number of moles (mol) = molar concentration (mol/L) x volume (L)

Hope this helps! Have a great day!<span />
6 0
4 years ago
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What is true of synthesis and decomposition reactions?
Vedmedyk [2.9K]

Answer:

Synthesis reactions are the opposite of decomposition reactions.

Explanation:

3 0
4 years ago
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