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2 years ago

Rocks beneath the surface are forced toward the________.

Chemistry

2 answers:

Angelina_Jolie [31]2 years ago

7 0

Ans

the mantle

Explanation:

Lynna [10]2 years ago

7 0

Mantle :)

“Rocks beneath the surface are forced toward the "mantle". This increases pressure and heat. "Magma" pockets rise, increasing heat. Temperature and pressure cause "minerals" to change.” -quizlet

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What is the temperature of 0.500 moles of a gas that is stored in a 2.50 L container under 13.0 atm of pressure?

faust18 [17]

<h2>Answer:</h2>

Moles of a gas = 0.500

Volume = 2.50 L

Pressure = 13. atm

Temperature = ?

Solution:

Formula:

PV = n RT

Putting the values in formula:

T = PV/nR = 13 * 2.5 / 0.5 * 0.082057

= 32.5/0.041 = 792.68 K

T = 792.68 K

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3 years ago

During an investigation, similar glow sticks were placed in two beakers containing water at different temperatures. A record of

allochka39001 [22]

Answer:

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Explanation:

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3 years ago

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How many grams of NH3 can be dissolved in 50 grams of water at 50oC?

weqwewe [10]

15 grams of NH3 can be dissolved

<h3>Further explanation</h3>

Given

50 grams of water at 50°C

Required

mass of NH3

Solution

Solubility is the maximum amount of a substance that can dissolve in some solvents. Factors that affect solubility

1. Temperature:
2. Surface area:
3. Solvent type:
4. Stirring process:

We can use solubility chart (attached) to determine the solubility of NH3 at 50°C

From the graph, we can see that the solubility of NH3 in 100 g of water at 50 C is 30 g

So that the solubility in 50 grams of water is:

= 50/100 x 30

= 15 grams

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3 years ago

How many elements and atoms are in marble

DochEvi [55]

Answer:

Explanation:

Scientists know that there are 6x1023 molecules in a mole - so we have about 0.5x1023 molecules in our marble…and since every silicon dioxide molecule has one atom of silicon and two of oxygen, we have a grand total of 1.5x1023 atoms. That's 150,000,000,000,000,000,000,000 atoms

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3 years ago

Organic molecules always:

trapecia [35]

Organic chemistry is the study of molecules containing carbon, so A

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3 years ago