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vekshin1
3 years ago
7

Identify which of the concentration expressions can also be used to describe a solution with a concentration of 1 mg/mL of solut

e. Assume the density of the solution is 1.00 g/mL
Chemistry
1 answer:
Alexxandr [17]3 years ago
3 0

Answer: Parts per million (ppm)

Explanation:

Consider the units milligram per milliliter. This gives us one part of the solute per one million parts of solvent. That is 10^ -3/10^-3= 10^-6. This unit is commonly used in analytical chemistry to show very small concentration of analyte. A similar unit is parts per billion(ppb)

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3 years ago
A rigid container of O has a pressure of 340 kPa at a temperature of 713 K. What is the pressure at 273 K?
tia_tia [17]

Answer:

P₂ = 130.18 kPa

Explanation:

In this case, we need to apply the Gay-Lussack's law assuming that the volume of the container remains constant. If that's the case, then:

P₁/T₁ = P₂/T₂   (1)

From here, we can solve for the Pressure at 273 K:

P₂ = P₁ * T₂ / T₁   (2)

Now, all we need to do is replace the given data and solve for P₂:

P₂ = 340 * 273 / 713

<h2>P₂ = 130.18 kPa</h2>

Hope this helps

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3 years ago
Based on the chart, which food chain best models a flow of energy in this ecosystem?
GarryVolchara [31]

Answer:

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Explanation:

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A gas takes up a volume of 10 liters, has a pressure of 7.5 atm, and a
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Answer:

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Explanation:

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3 years ago
Which three statements about gravity and the formation of the solar system
Delicious77 [7]

Answer:

B. Gravity held the pieces of forming planets together.

c. Gravity pulled most of the matter into the center of the solar system

D. Gravity caused the planets and Sun to have spherical shapes.

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The spherical shape of planets is a result of their gravity pulling equally from all sides, shaping it into a sphere.

7 0
2 years ago
Read 2 more answers
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