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Katena32 [7]
2 years ago
14

A) How many grams of water are produced when 2.50 g of aluminum

Chemistry
1 answer:
egoroff_w [7]2 years ago
5 0
The correct answer is 13 I just did it bro
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Osmium has a density of 22.6 g/cm^3. What volume (in cm^3) would be occupied by a 21.8 g sample of osmium?
Snowcat [4.5K]

0.9645 cm³ is the occupied volume by a 21.8 g sample of osmium of density of 22.6 g/cm^3.

Given values are:

  • Mass, m = 21.8 g
  • Density, d = 22.6 g

Density is given by,

  density = \frac{mass}{volume}

⇒volume = \frac{mass}{volume}

⇒volume = \frac{21.8}{22.6}

⇒volume = 0.9645 cm^3

∴The volume is 0.9645cm^3

To learn more about Density: brainly.com/question/15164682     #SPJ4

6 0
2 years ago
What are conclusions based on?
kati45 [8]
They're based on the results of your testing.
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2 years ago
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The Hawaiian islands formed as a result of a hot spot.<br><br> A.)True <br><br> B.)False
choli [55]

Hello,

That is true.

8 0
3 years ago
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Can someone help me with questions 4-5 <br> 21 points
sp2606 [1]

4. describe three ways carbon dioxide was removed from the Earth's atmosphere.

Answer: Forests: Photosynthisis helps clear carbon dioxide naturally, Soils naturally store carbon, but agricultural soils are running a big deficit due to intensive use. Because agricultural land is so expansive, Bio-energy with Carbon Capture and Storage (BECCS) is another way to use photosynthesis to combat climate change. However, it is far more complicated than planting trees or managing soils — and it doesn’t always work for the climate.

5. Explain why there is now 21% Oxygen in the Earth's atomosphere compaired to little or no Oxygen in the Earth's atmosphere 4.5 billion years ago.

Answer: cientists believe that the Earth was formed about 4.5 billion years ago. Its early atmosphere was probably formed from the gases given out by volcanoes. It is believed that there was intense volcanic activity for the first billion years of the Earth's existence.The early atmosphere was probably mostly carbon dioxide, with little or no oxygen. There were smaller proportions of water vapour, ammonia and methane. As the Earth cooled down, most of the water vapour condensed and formed the oceans.

Sorry its soooo long TwT

8 0
3 years ago
2. What are the characteristics of an acid (at least 3)?
arlik [135]

Answer:Acids taste sour, react with metals, react with carbonates, and turn blue litmus paper red. Bases taste bitter, feel slippery, do not react with carbonates and turn red litmus paper blue.

Explanation:

  • Sour taste (though you should never use this characteristic to identify an acid in the lab)
  • Reacts with a metal to form hydrogen gas.
  • Increases the H+ concentration in water.
4 0
3 years ago
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