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sashaice [31]
3 years ago
11

Are the particles moving faster or slower as time goes on? (Diagram F)

Chemistry
1 answer:
klasskru [66]3 years ago
4 0
I YHINK ITTTSSS SHMMM BBBBB
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The volume of a Goodyear Blimp is 2.5x10^7 L, which is occupied by 1.7x10^6 mol of helium. What is the internal pressure of the
attashe74 [19]

Answer:

1.7 bar

Explanation:

We can use the <em>Ideal Gas Law</em> to calculate the individual gas pressure.

pV = nRT     Divide both sides by V

 p = (nRT)/V

Data:   n = 1.7 × 10⁶ mol

R = 0.083 14 bar·L·K⁻¹mol⁻¹

T = 22 °C

V = 2.5 × 10⁷ L

Calculations:

(a) <em>Change the temperature to kelvins </em>

T = (22 + 273.15) K

  = 295.15 K

(b) Calculate the pressure

p = (1.7 × 10⁶ × 0.083 14 × 295.15)/(2.5× 10⁷)

  = 1.7 bar

4 0
3 years ago
Plants, plant life cycles, photosynthesis, plant parts, plant growth is what branch of science
WARRIOR [948]
The study of plants, plant life cycles, photosynthesis, plant parts, etc. is under botany (study of plants).
4 0
3 years ago
Two copper electrodes dipped in copper sulphate solution are connected to the end of the battery marked with a ''_'' is:
guajiro [1.7K]

Answer:

d) catión

Explanation:

8 0
3 years ago
Read 2 more answers
What is the molarity of a solution in which 175.8<br> grams of NaCl is dissolved in 1.5 L of water?
Sophie [7]
175.8 g NaCl to moles:
(175.8 g)/(58.44 g/mol) = 3.008 mol NaCl

Molarity = moles of solute/volume of solution in liters

(3.008 mol NaCl)/(1.5 L) = 2.0 M.

The molarity of this solution would be 2.0 M.
8 0
2 years ago
Calculate the molarity of solution of "sodium sulfate" that contains 5.2 grams sodiums sulfate diluted to 500mL
wlad13 [49]

Taking into account the definition of molarity, the molarity of solution of sodium sulfate is 0.0732 \frac{moles}{liter}.

<h3>Definition of molarity</h3>

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

Molarity=\frac{number of moles}{volume}

Molarity is expressed in units \frac{moles}{liter}.

<h3>Molarity of solution of sodium sulfate.</h3>

In this case, you have:

  • number of moles of sodium sulfate= 5.2 grams\frac{1 mole}{142 grams} = 0.0366 moles (being 142 g/mole the molar mass of sodiums sulfate)
  • volume= 500 mL= 0.5 L (being 1000 mL= 1 L)

Replacing in the definition of molarity:

Molarity=\frac{0.0366 moles}{0.5 L}

Solving:

Molarity= 0.0732 \frac{moles}{liter}

Finally, the molarity of solution of sodium sulfate is 0.0732 \frac{moles}{liter}.

Learn more about molarity:

brainly.com/question/9324116

brainly.com/question/10608366

brainly.com/question/7429224

3 0
2 years ago
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