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1 year ago

How does separating CHEMICALS through DISTILLATION harm the environment ?

Chemistry

1 answer:

Kamila [148]1 year ago

4 0

Explanation:

Distillation is the separation of mixture of two liquids which differ in boiling point. Through Distillation vapour that is formed spread thoroughly in our environment

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Intravenous, or IV, solutions used in medicine must exert the same osmotic pressure as blood to prevent a net flow of water into

Novosadov [1.4K]

Answer:

$\boxed{\text{7.5 bar}}$

Explanation:

1. Find the molar concentration

Assume that we have 100 mL solution.

Mass of NaCl = 0.90 g

$\text{Moles of NaCl} = \text{0.90 g} \times \dfrac{\text{1 mol}}{\text{58.44 g}} = 0.0154 \text{ mol}\\\\c = \dfrac{\text{Moles of NaCl}}{\text{Litres of solution}} = \dfrac{0.0154 \text{ mol}}{\text{0.100 L}} = \text{0.154 mol/L}$

2. Find the osmotic pressure

The formula for osmotic pressure (Π) is

Π = icRT

T = (37 + 273.15) K = 310.15 K

$\Pi = 1.88 \times \text{0.154 mol}\cdot \text{L}^{-1} \times \text{0.083 14 bar}\cdot\text{L}\cdot\text{K}^{-1}\text{mol}^{-1} \times \text{310.15 K} = \text{7.5 bar}\\\\\text{The osmotic pressure of blood at body temperature is }\boxed{\textbf{7.5 bar}}$

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3 years ago

Which particles are found in an atom have charges

-BARSIC- [3]

Atomic particles Because the usually have a chain reaction when blown up

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3 years ago

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wich answer choice contains organisms that are all prokaryotic. A. archaebacteria and bacteria B. bacteria and fungi C. protists

JulijaS [17]

Answer:

Explanation:

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3 years ago

I have to circle the one that fits correctly

nadya68 [22]

The answer is chloroplast

8 0

2 years ago

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Lauren has a big social studies test coming up. She knows that she needs to spread out her study sessions over a period of time.

tatuchka [14]

The study strategy Lauren is using in spreading her study sessions over a period of time is pacing, which helps the student develop a schedule focused on their own study pace.

<h3>Pacing Study Sessions</h3>

This study strategy of distributing the study into short sessions rather than studying the entire content through one long session is more effective in retaining content and learning.

What happens is that Lauren is using mass repetition processing, which can be compared to a longitudinal wave in physics, with spaces in between, concentrating the initial review close to the proof to ensure retention and avoid forgetting.

Through pacing, Lauren achieves greater motivation to carry out her studies in a concentrated and focused way, helping her to retain and preserve knowledge.

The correct answer is:

Pacing

Find out more information about pacing here:

brainly.com/question/988371

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2 years ago