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ICE Princess25 [194]
3 years ago
7

Thermal expansion or thermal contraction would be most noticeable in which of the following

Chemistry
1 answer:
Semenov [28]3 years ago
5 0
Air inside of a balloon
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A is 1. Each letter corresponds to what place they are in the alphabet
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Using the image below, describe in at least 2 paragraphs, what is happening with the arrows. Name and explain the processes and
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Answer: I'm sorry, but we can't see the image from NASA

Explanation:

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What is the relationship between the concentration of particles in a solution and the solution’s vapor pressure? As solute conce
kap26 [50]

Answer:

As solute concentration increases, vapor pressure decreases.  

Step-by-step explanation:

As solute concentration increases, the number of solute particles at the surface of the solution increases, so the number of <em>solvent </em>particles at the surface <em>decreases</em>.

Since there are fewer solvent particles available to evaporate from the surface, the vapour pressure decreases.

C. and D. are <em>wrong</em>. The vapour pressure depends <em>only</em> on the number of particles. It does not depend on the nature of the particles.

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3 years ago
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Which of the following elements belong to the same pair?
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3 years ago
concentrated phosphoric acid is90% H3PO4 by mass and the remaining mass is water. The molarity of H3PO4 is 12.2M at temperature
blondinia [14]

Answer:

82.0 mL

Explanation:

Step 1: Given data

  • Concentration of concentrated acid (C₁): 12.2 M
  • Volume of concentrated acid (V₁): ?
  • Concentration of dilute acid (C₂): 1.00 M
  • Volume of dilute acid (V₂): 1.00 L

Step 2: Calculate the required volume of the concentrated acid

We want to prepare a dilute solution from a concentrated one. We can calculate the volume of the concentrated acid using the dilution rule.

C₁ × V₁ = C₂ × V₂

V₁ = C₂ × V₂ / C₁

V₁ = 1.00 M × 1.00 L / 12.2 M = 0.0820 L = 82.0 mL

4 0
2 years ago
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