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bearhunter [10]
3 years ago
15

10) Give two example of where you would find elements in our daily lives.

Chemistry
1 answer:
Phoenix [80]3 years ago
6 0
Carbon is found in oil and gas.
Aluminum a light metal used in making pots and pans.
Bromine is used in photography.
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What is the osmotic pressure of a 0.850 m solution of glucose in water at 35 °c?
Alik [6]

The osmotic pressure of the glucose solution is 21.49 atm.

From the question given above, the following data were obtained:

  • Molarity (M) = 0.85 M
  • Temperature (T) = 35 °C = 35 + 273 = 308 K
  • Van't Hoff's factor (i) = 1 (non-electrolyte)
  • Gas constant (R) = 0.0821 atm.L/Kmol
  • Osmotic pressure (π) =?

π = iMRT

π = 1 × 0.85 × 0.0821 × 308

π = 21.49 atm

Therefore, the osmotic pressure is 21.49 atm

Learn more about osmotic pressure: brainly.com/question/19533851

8 0
2 years ago
How many milliliters of 1.50 M magnesium sulfate soulution is required to supply 2.50 mole of this salt?
arsen [322]

Answer:

1670 ml

Explanation:

molarity x Volume (Liters) = moles => Volume (Liters) = moles/Molarity

Volume needed = 2.50mol/1.50M = 1.67 Liters = 1670 ml.

3 0
3 years ago
Comets orbit in short, circular paths around the sun.<br><br> Is this true or false..? Thank you!
Luba_88 [7]
The answer to your question is true.
7 0
3 years ago
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What is four thing the atmosphere does for us
artcher [175]
Keeps in heat, protects us from radiation, provides oxygen, and protects us from objects coming towards the earth.
4 0
3 years ago
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Please helpppppp I be thankful
grigory [225]
Valence électrons don’t define which group You are in so you can cross those choices out.
A would be incorrect because element 1 has 1 valence electron while element 2 has 2 valence electrons.
D would be correct because both elements have two valence electrons.
Also, pls don’t hate if I am wrong!
8 0
3 years ago
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