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Leno4ka [110]
3 years ago
13

What happens to the gas particles in an an inflated ball when it gets a hole? why?

Chemistry
2 answers:
netineya [11]3 years ago
7 0
The gas flows from higher concentration/pressure to lower concentration/pressure, which is outside the ball.
andreev551 [17]3 years ago
7 0
The gas partices lose the amount of concentration of the particles because they spread qpart and move faster.
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1. How many milliliters of 10.0 M HNO 3 are needed to prepare 0.350 L of 0.400 M solution?
tatyana61 [14]
<h3>Answer:</h3>

14 milliliters

<h3>Explanation:</h3>

We are given;

  • 10.0 M HNO₃

Prepared solution;

  • Volume of solution as 0.350 L
  • Molarity as 0.40 M

We are required to determine the initial volume of HNO₃

  • We are going to use the dilution formula;
  • The dilution formula is;

M₁V₁ = M₂V₂

Rearranging the formula;

V₁ = M₂V₂ ÷ M₁

    =(0.40 M × 0.350 L) ÷ 10.0 M

   = 0.014 L

But, 1 L = 1000 mL

Therefore,

Volume = 14 mL

Thus, the volume of 10.0 M HNO₃ is 14 mL

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3 years ago
Which of the following best describes how forces affect matter?
OlgaM077 [116]

Answer:

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3 0
3 years ago
Sam believes the rock is more denser than the pencil. He measured the mass of the rock to be 8.5 grams and volume to be 4.5mL. H
mezya [45]

Answer:

Rock

Explanation:

Let's calculate the density of each object:

Rock:

Density = \frac{mass}{volume}=\frac{8.5\ g}{4.5\ mL}=1.9\ g/mL

Pencil:

Density = \frac{mass}{volume}=\frac{2.4\ g}{4.5\ mL}=0.53\ g/mL

Therefore the rock is denser.

6 0
3 years ago
Is potassium fluoride a covalent bond or ionic bond
Ivahew [28]

It's an ionic bond! Potassium is a cation, or a metal with a positive charge, and fluoride is an anion, or a nonmetal with a negative charge.

A covalent bond is the bond between two nonmetals.

Hope this helped!

7 0
3 years ago
Read 2 more answers
¿Cuál era su juego favorito cuando eran niños?​
blagie [28]

Answer:

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Explanation:

7 0
3 years ago
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