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Mademuasel [1]
2 years ago
15

Can anyone pls summarize this for me

Chemistry
2 answers:
kotykmax [81]2 years ago
8 0

Answer:here is the answer

Scholarcy, the online article summarizer tool, reads your research articles, reports and book chapters in seconds and breaks them down into bite-sized sections – so you can quickly assess how important any document is to your work.

Explanation:

Viktor [21]2 years ago
8 0

Answer:

matter is anything and everything that takes up space. Matter has phases called solid liquid ang gas (also Plasma), liquid takes the form of whatever its in because it has no solid form to it, but it takes up the space in whatever its in, a solid is something that's molecules are packed together they still move but not very fast. gas molecules move all over the place either way all three states of matter have matter in them.

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Kinetic Energy

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Kinetic energy is the energy inside moving objects of things.

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Why do atoms fond bonds​
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Match each scientist to their discovery regarding the atom
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Answer:

Thomson--atoms cotain electron

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Triss [41]

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I could I guess?

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Explanation:

6 0
3 years ago
How many milliliters of water at 25.0°C with a density of 0.997 g/mL must be mixed with 163 mL of coffee at 97.9°C so that the r
Stolb23 [73]

Answer:

248 mL

Explanation:

According to the law of conservation of energy, the sum of the heat absorbed by water (Qw) and the heat released by the coffee (Qc) is zero.

Qw + Qc = 0

Qw = -Qc [1]

We can calculate each heat using the following expression.

Q = c × m × ΔT

where,

  • c: specific heat
  • m: mass
  • ΔT: change in the temperature

163 mL of coffee with a density of 0.997 g/mL have a mass of:

163 mL × 0.997 g/mL = 163 g

From [1]

Qw = -Qc

cw × mw × ΔTw = -cc × mc × ΔTc

mw × ΔTw = -mc × ΔTc

mw × (54.0°C-25.0°C) = -163 g × (54.0°C-97.9°C)

mw × 29.0°C = 163 g × 43.9°C

mw = 247 g

The volume corresponding to 247 g of water is:

247 g × (1 mL/0.997 g) = 248 mL

8 0
3 years ago
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