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ki77a [65]
4 years ago
6

Which of the following methods can be used to completely separate a solution containing alcohol and water?

Chemistry
2 answers:
krek1111 [17]4 years ago
8 0
Evaporation and distillation

Alenkinab [10]4 years ago
6 0
A only gets out some of it but not all
C that isn't for alcaholl
D I don't think that even exists
B is the only correct answer
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Which of the following are accurate descriptions of closed and open thermodynamic processes? open processes are 'flow through' p
Shalnov [3]

Answer: Option (a) is the correct answer.

Explanation:

According to thermodynamics, a closed system is defined as the system in which there will be no exchange of matter takes place but there will be exchange of energy between the system and surrounding.

On the other hand, an open system is defined as the system in which there will be exchange of both matter and energy takes place between system and surrounding.

Hence, we can conclude that out of the given options accurate descriptions of closed and open thermodynamic processes is that open processes are 'flow through' processes.

7 0
3 years ago
Describe the law of conservation of momentum
aalyn [17]
One of the most powerful laws in physics is the law of momentum conservation. ... For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.
4 0
3 years ago
Choose the best answer to each question.
Mekhanik [1.2K]

Answer:The bowling ball

The lake

The barbell resting on the floor

Explanation:

I got it right on edge

8 0
4 years ago
According to the reaction below, how many moles of Ba3(PO4)2(s) can be produced from 115 mL of 0.218 M BaCl2(aq)? Assume that th
Anna71 [15]

Answer:

0.01125 moles of Ba_3(PO_4)_2(s) can be produced from 115 mL of 0.218 M BaCl_2(aq).

Explanation:

Moles of BaCl_2 = n

Volume of the solution = 115 mL = 0.115 L ( 1 mL=0.001 L)

Molarity of the BaCl_2 solution = 0.218 M

0.218 M=\frac{n}{0.115 L}

n = 0.218\times 0.115 L=0.03379 mol

3 BaCl_2(aq) + 2Na_3PO_4(aq)\rightarrow Ba_3(PO_4)_2(s) + 6NaCl(aq)

According to reaction, 3 moles BaCl_2 gives 1 mole of Ba_3(PO_4)_2 .Then 0.03379 moles of BaCl_2 will give :

0.03379 mol\times \frac{1}{3}=0.01126 mol

0.01125 moles of Ba_3(PO_4)_2(s) can be produced from 115 mL of 0.218 M BaCl_2(aq).

3 0
3 years ago
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1. Calculate the mass of a liquid with a density of 3.2 g/mL and a volume of 25 mL.
LenKa [72]

Explanation:

incidido 4itkjrnej que me ha gustado un vídeo que 7, que es el caso caso de que la gente que te guste. no se

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3 years ago
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