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ryzh [129]
3 years ago
9

PLEASE HELP I KNOW THERES A LOT OF QUESTIONS BUT PLEASEEEE!!!!

Chemistry
2 answers:
jekas [21]3 years ago
6 0

Answer:

??

Explanation:

ollegr [7]3 years ago
3 0
This is your whole test why would I answer that I’m not that smart
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A gas occupies 100 liters at 30 degrees C under a pressure of 1.28 atm. Approximately what volume would the gas occupy at STP (2
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Answer: 115 Liters

Explanation: I took the test on TFL, this is the right answer.

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3 years ago
Human impact on one system leads to changes in more of Earth's systems.
umka2103 [35]

It is true that human impact on one system leads to changes in more of Earth’s systems.

Answer: Option A

<u>Explanation:</u>

Human impact had created large impacts on Earth’s systems. The pollution in air, deforestation, dumping of lakes lead to several changes in environment. Also emission of carbon, methane and other hazardous gases from several manufacturing unit effect the environment.

Along with this, increase in usage of non-renewable fuels and release of CFC's emitted from AC’s, fridge lead to elimination of ozone layer making the environment open to direct UV radiation. So yes, it is true that human impact on one system leads to changes in more of Earth’s systems.

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3 years ago
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 The Mississippians were considered to be horticulturalists, which means they were
Mkey [24]

They were Native Americans.

8 0
3 years ago
How does a scientific theory differ from a guess or an opinion?​
natima [27]

Answer:

Scientific theory differs from a guess or opinion because a scientific theory is a system of ideas that explains many related observation and is supported by a large body of evidence acquired through scientific investigation while guesses and opinions may not reliably predict an outcome, have evidence to back up the theory

Explanation:

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3 years ago
Compared to CH4,NH3 has:
vitfil [10]

a) NH₃ molecules have stronger intermolecular attractions than CH₄ molecules.

Explanation:

Ammonia molecules have stronger intermolecular attractions compared to methane.

Ammonia molecules have london dispersion forces and hydrogen bonds between their molecules.

Methane molecules have only london dispersion forces in their structure.

  • hydrogen bonds are very strong attractive forces between molecules in which the hydrogen of a molecule is attracted by a more electronegative atom of another usually oxygen, nitrogen and fluorine.
  • London dispersion forces are weak forces of attraction between heteronuclear atoms.

Learn more:

Hydrogen bonds brainly.com/question/10602513

#learnwithBrainly

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3 years ago
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