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Maksim231197 [3]
3 years ago
5

The table shows the thickness, top density, and bottom

Chemistry
2 answers:
Dominik [7]3 years ago
8 0

Answer:

Answer is B on edge

Explanation:

OleMash [197]3 years ago
3 0

\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}

As depth increases, the density of the layers decreases.

  • Thanks.
  • Hope it helps.
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According to which theory or law is a chemical reaction most likely to occur when two particles with the proper energy and orien
Nat2105 [25]
<h2>Collision Theory </h2>

Explanation:

<h3>The given statement is related to the collision theory - </h3>

Collision theory was given by William Lewis in 1916.

This theory explains in a qualitative manner that in what way any chemical reaction occurs and the reason for the different reaction rates for different reactions.

<h3>According to the collision theory - </h3>
  • Molecules must collide in order to react
  • Sufficient amount of energy is needed for collisions (kinetic energy) so that the chemical bonds should break
  • This energy used is known as the activation energy
  • On the increase in the temperature, the kinetic energy of the molecule increases and the molecules move faster and collide with a proper orientation at an increased speed
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6 0
2 years ago
Convert 3.2 ft^2 to square inches
tangare [24]

460.8 square inches

3.2 * 144 = 460.8

6 0
3 years ago
Why is the Chemical symbol for lead Pb?? ^__^ i HATE the perdiotic** table!!
tatuchka [14]
Cause latin name of Pb is plumbum.
The same K - potassium - latin name is kalium.
3 0
3 years ago
How many grams of He are necessary to fill a balloon having a volume of 4.50 × 10^{3} mL to a pressure of 1.14 × 10^{3} torr at
lana [24]

The mass in grams of He are necessary to fill a balloon having a volume of 4.50×10³ mL to a pressure of 1.14×10³ torr at 25.0ºC is 1.104 grams.

<h3>How do we calculate the grams from moles?</h3>

Mass (W) in grams from moles (n) will be calculated by using the below equation:
n = W/M, where

M = molar mass

Moles of helium gas will be calculated by using the ideal gas equation:

PV = nRT, where

R = universal gas constant = 62.363 L.torr / K.mol

P = pressure of gas = 1.14×10³ torr

V = volume of gas = 4.50×10³ mL = 4.50 L

n = moles of gas = ?

T = temperature = 25.0ºC = 298 K

On putting these values on the ideal gas equation, we get

n = (1140)(4.5) / (62.363)(298) = 5130 / 18584

n = 0.276 moles

Now we convert this moles into mass by using the first equation as:

W = (0.276mol)(4g/mol) = 1.104 g

Hence required mass of helium gas is 1.104 grams.

To know more about ideal gas equation, visit the below link:

brainly.com/question/12873752

#SPJ1

5 0
2 years ago
(Q012) Mafic minerals a. form rhyolite and granite. b. crystallize at a higher temperature than do silicic minerals. c. typicall
Archy [21]

The property that can be ascribed to Mafic minerals from the options listed is that they typically crystallize last out of a melt.

<h3>What are Mafic minerals?</h3>

The term Mafic minerals is a term that embraces all those minerals that contain magnesium and iron. They are usually silicate minerals obtained from an igneous rock.

The property that can be ascribed to Mafic minerals from the options listed is that they typically crystallize last out of a melt.

Learn more about Mafic minerals: brainly.com/question/8908511

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2 years ago
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