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Andrej [43]
2 years ago
9

Which of these is a chemical property of a substance?

Chemistry
1 answer:
dlinn [17]2 years ago
8 0

Answer:

Reactivity

Explanation:

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Scientific knowledge is generally considered to have a positive effect on society. In which situation would scientific knowledge
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D.
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How many outer planets are there?
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Explanation:

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2 years ago
Every afternoon, Bill and Anita go down to the beach to fly their kite. They noticed that the wind always blows towards shore. W
EastWind [94]

Answer:

the answer is D

Explanation:

Air over the beach heats up, rises, and is replaced by cool, denser ocean air

The ocean heats up much slower and becomes relatively cooler than the beach making it a high pressure zone. The air moves from the water to the land each morning forming a sea breeze. These pressure zones might equal out later in the day and the winds may diminish. ... A sea breeze blows from the ocean towards the beach.

8 0
3 years ago
If 41grams of water at 24°C absorbs 2208 J of heat energy, what will be the final temperature of the water?
aleksklad [387]
The problem can solved using the heat equation which is expressed as:

H = mCΔT

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2208 J = 41 g x 4.18 J/g·°C x ( T - 24 °C) 
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5 0
3 years ago
How many unpaired electrons are present in a lithium atom?.
Cerrena [4.2K]
  • Lithium has Z =3

Electronic configuration is given by

\\ \tt\bull\rightarrowtail 1s^22s^1

  • 1s orbital is filled
  • 2s orbital is unfilled

So

  • unpaired electrons=1
5 0
2 years ago
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