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Step2247 [10]
3 years ago
12

The density of benzene is 0.879g/mL. The volume (with 1 decimal) of 131.9g sample of benzene is how many mL?

Chemistry
1 answer:
timurjin [86]3 years ago
5 0

Answer:

150.1 mL

Explanation:

Step 1: Given data

  • Density of benzene (ρ): 0.879 g/mL
  • Mass of the sample of benzene (m): 131.9 g
  • Volume of the sample of benzene (V): ?

Step 2: Calculate the volume of the sample of benzene

Density is an intrinsic property. It is equal to the quotient between the mass and the volume of the sample of benzene.

ρ = m/V

V = m/ρ

V = 131.9 g/(0.879 g/mL)

V = 150.1 mL

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32 g of sulfur will react with 48 g of oxygen to produce 80 g of sulfur trioxide. If 32 g of sulfur and 100 g of oxygen are plac
Lina20 [59]

Answer:

Since the container is consealed, and O2 will no be completely consumed, the total mass of material in the container will be 80 grams SO3+ 52 grams O2 = 132 grams (option B)

Explanation:

Step 1: Data given

Mass of sulfur = 32.00 grams

Mass of oxygen = 48.00 grams

Molar mass of sulfur = 32.07 g/mol

Molar mass of oxygen = 32 g/mol

Molar mass of SO3 = 80.07 g/mol

Step 2: The balanced equation

2S + 3O2 → 2SO3

Step 3: Calculate moles S

Moles S = Mass S / molar mass S

Moles S = 32.0 grams / 32.07 g/mol

Moles S = 0.998 moles

Step 4: Calculate moles O2

Moles O2 = 100.0 grams / 32.0 g/mol

Moles O2 = 3.125 moles

Step 5: Calculate the limiting reactant

For 2 moles S we need 3 moles O2 to produce 2 moles SO3

S is the limiting reactant. It will completely be consumed (0.998 moles)

O2 is in excess, there will be consumed 3/2 * 0.998 = 1.497 moles

There will remain 3.125- 1.497 = 1.628 moles O2

This is 1.628 moles * 32 g/mol = 52.1 grams

Step 6: Calculate moles SO3

For 2 moles S we need 3 moles O2 to produce 2 moles SO3

For 0.998 moles S there will react 0.998 moles SO3

Step 6: Calculate mass SO3

Mass SO3 = moles SO3 * molar mass SO3

Mass SO3 = 0.998 moles * 80.07 g/mol

Mass SO3 = 79.9 grams ≈ 80 grams

There will be produced 80 grams of SO3

Since the container is consealed, and O2 will no be completely consumed, the total mass of material in the container will be 80 grams SO3+ 52 grams O2 = 132 grams (option B)

4 0
3 years ago
Targ
yKpoI14uk [10]

The system will adjust itself in order to resist the change.

Explanation:

  • Frenchman Le Chatelier in 1888 is credited with the Le Chatelier's principle
  • His principle is a summary drawn from his findings on various factors that affects equilibrium.
  • The principle states that "if any of the conditions of a system in equilibrium is changed, the system will adjust itself in order to annul the effect of the change".
  • It is used to explain the effect of stress by applying change on a system.
  • The changing conditions are usually concentration, temperature and pressure.

Learn more:

Chemical equilibrium brainly.com/question/10838453

#learnwithBrainly

7 0
3 years ago
What is the nature of the Se-Cl bond in a molecule of selenium chloride (SeCl2) if the electronegativity value of selenium is 2.
marta [7]
The nature of the Se-Cl bond in a molecule of selenium chloride (SeCl2) if the electronegativity value of selenium is 2.55 and that of chlorine is 3.16 will be MODERATELY POLAR COVALENT. Because Both of them have a very little difference in their electronegativity.
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3 years ago
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Mercury has a density of 13.56 g/ml. What is the volume in L of 52 kg of mercury?
sweet [91]

Hello!

Given the density of mercury being 13.57 g/mL, and the mass of 52 kilograms, we need to find the volume.

To find the volume, we need to divide mass by density (V = m/d).

Notice that you are given 52 kilograms, but not grams. To convert kilograms to grams, you need to multiply it by 1000.

52 x 1000 = 52000 grams

With the correct measurements, we can find the volume.

V = 52000 grams / 13.56 grams/milliliter

V ≈ 3834.80826

Therefore, the volume of the mercury is about 3,834.81 mL.

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In the reaction of Epsom Salt and ammonia, how many atoms of Hydrogen are in the product, ammonium sulfate (NH4)2SO4
Marrrta [24]

Answer:

Should be 1

Explanation:

4 0
3 years ago
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