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4 years ago

If the contents of a cell have a solute concentration of 0.04 percent which of these solutions would cause it to swell?

2 answers:

4 0

"0.01 percent solute concentration" is the solution among the choices given in the question that <span>would cause it to swell. The correct option among all the options that are given in the question is the fourth option or option "D". I hope that the answer has actually come to your great help.</span>

Akimi4 [234]4 years ago

3 0

Answer : Option D) 0.01 percent solute concentration

Explanation : The contents of a cell if has the solute concentration as 0.04 percent then it should have much lesser concentration that the cell, then only it will allow the cell to swell. Because of the solutions with a lower osmotic pressure than a cell fluid solution concentration, can make it swell.

Hence,the answer will be 0.01 percent of solute concentration.

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A solution contains 5.25 g of urea, CO(NH2)2 (a nonvolatile solute) and 0.100 kg of water. If the vapor pressure of pure water a

babymother [125]

Answer:

The vapor pressure of the solution is 23.3 torr

Explanation:

Step 1: Data given

Mass of urea = 5.25 grams

Mass of water = 0.100 kg = 100 grams

Temperature = 25.0 °C

Vapor pressure of water = 23.7 torr

Step 2: Calculate moles of water

Moles H2O = mass H2O / molar mass H2O

Moles H2O = 100 grams / 18.02 g/mol

Moles H2O = 5.55 moles

Step 3: Calculate moles of urea

Moles urea = 5.25 grams / 60.06 g/mol

Moles urea = 0.0874 moles

Step 4: Calculate mol fraction H2O

Mol fraction H2O = 5.55 moles / (5.55 + 0.0874)moles

Mol fraction H2O = 0.984

Step 5: calculate the vapor pressure of the solution

This means that you can use the mole fraction of water and the vapor pressure of pure water at 25° C to determine the vapor pressure of the solution.

Psol =Xwater * Pwater

⇒Psol = the vapor pressure of the solution

⇒Xwater =the mol fraction of water

⇒Pwater = the vapor pressure of pure water

Psol = 0.984 * 23.7 torr

Psol = 23.3 torr

The vapor pressure of the solution is 23.3 torr

3 0

4 years ago

What is the chemical formula for a compound between Al and F? AlF AlF 3 AlF 2 Al 3F

tester [92]

Answer:

AlF3

Explanation:

Aluminum fluoride (AlF3) is an inorganic compound in which aluminum and fluoride has ionic bond between each other.

Aluminum ( atomic number - 13) has 3 valence electrons and can lose 3 electrons to get a stable configuration while fluorine (atomic number - 9) can gain one electron to make a stable configuration. So in order to attain a stable configuration one aluminum (Al) atom form ionic bond with three fluorine atoms and form AlF3.

Hence, the chemical formula between Al and F is AlF3.

8 0

3 years ago

Read 2 more answers

Using the diagram above, answer the following questions:

STatiana [176]

Answer:

See explanation for details

Explanation:

6) C is false. What is going on there is actually a transformation of mechanical energy to the chemical energy stored in carbon dioxide in the atmosphere. The burning of the fossil fuel produces mechanical energy which is stored in the chemical bonds of CO2 hence the statement is false

7) A is true. Solar energy refers to energy from the sun, this energy is trapped from Tue sun and stored in chemical bonds in glucose, and starch molecules during photosynthesis.

8) C represents the release of carbon dioxide by the burning of fossil fuels.

9) B,C,D, E

B refers to photosynthesis in which plants take in atmospheric carbon dioxide

C refers to the burning of fossil rules which releases atmospheric carbon dioxide

D refers to the dissolution of atmospheric carbon dioxide in water bodies to form carbonates in water.

E refers refers the return of organic carbon to the soil by dead organisms

10) A and C

A shows the conversion of solar energy to chemical energy

C shows the conversion of mechanical energy to chemical energy

7 0

3 years ago

A student has two identical glasses of milk except that the temperature of the milk in one glass is 40ºF

kiruha [24]

80ºF.

Explanation:

At a temperature of 80ºF, the milk has the highest thermal energy.

The thermal energy in a body increases as the temperature of the body increases.

To increase the temperature of a body, heat is a supplied to it or work is done on it.

Heat is a form of thermal energy.
As the heat increases, the particles of the milk gains more kinetic energy.
This forces them to move more faster.
A body with a higher temperature has more thermal energy.

Learn more:

Temperature and heat brainly.com/question/914750

#learnwithBrainly

5 0

4 years ago

tester [92]

Some of the similarities between weather and climate include how both refer to temperature and how they are not always the same everywhere. In addition, the weather and climate intersect in various ways, for example the climate dictates the weather in various locations.

5 0

3 years ago