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Tems11 [23]
3 years ago
5

Two or more atoms that have been chemically combined are called a

Chemistry
1 answer:
aliina [53]3 years ago
8 0

Answer:

compound

Explanation:

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How many liters of water are needed to dissolve 75.0 grams of NaOH to prepare a 1.00-M solution?​
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4 0
3 years ago
A methane molecule, CH4, in the stratosphere or (2) a CH3 molecule and a hydrogen atom formed from breaking one of the carbon‐hy
MA_775_DIABLO [31]

The methane molecule in the stratosphere has a higher potential energy than the CH₃ molecule and the hydrogen atom formed from breaking one of the carbon‐hydrogen bonds in a CH₄ molecule.

The complete question is:

<em>For each of the following situations, you are asked which of two objects or substances has the higher energy. Explain your answer with reference to the capacity of each to do work and say whether the energy that distinguishes them is kinetic energy or potential energy.</em>

<em>a. (1) A methane molecule, CH4, in the stratosphere or (2) a CH3 molecule and a hydrogen atom formed from breaking one of the carbon-hydrogen bonds in a CH4 molecule.</em>

<h3>Which have a higher energy?</h3>

The methane molecule in the stratosphere is a stable molecule and possesses chemical potential energy.

The CH₃ molecule and the hydrogen atom formed from breaking one of the carbon‐hydrogen bonds in a CH₄ molecule are unstable molecules and possesses kinetic energy. However, some of their energy has been used in breaking the bond.

Thus, the methane molecule in the stratosphere has a higher potential energy than the CH₃ molecule and the hydrogen atom formed from breaking one of the carbon‐hydrogen bonds in a CH₄ molecule.

In conclusion, the energy in the methane molecule is higher.

Learn more about potential energy at: brainly.com/question/14427111

#SPJ1

5 0
2 years ago
A _____ change occurs when a substance changes phase.
guapka [62]
I believe your answer is chemial
3 0
3 years ago
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<span>Although the Statue of Liberty is made of copper (originally an orange-brown color), it is green because the copper has interacted with substances in the air to form new substances with different properties. This is an example of a B. chemical change.
That is because chemical change occurs when certain substances change their properties when they interact with other substances. This is why the color of copper changed, while its physical properties stayed the same.
</span>
8 0
3 years ago
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