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3 years ago

What happens when the concentration of water inside a cell is lower than the concentration of water outside the cell?

Chemistry

1 answer:

adell [148]3 years ago

4 0

Answer:

Water outside the cell will flow inwards by osmosis to attain equilibrium

Explanation:

In the hypotonic environment, the concentration of water is greater outside the cell and the concentration of solute is higher inside. A solution outside of a cell has a lower concentration of solutes relative to the cytosol.

If concentrations of dissolved solutes are greater inside the cell, the concentration of water inside the cell is correspondingly lower. As a result, water outside the cell will flow inwards by osmosis to attain equilibrium.

Osmosis is a process by which molecules of a solvent tend to pass from a less concentrated solution into a more concentrated one through a semipermeable membrane.

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You titrate 5.0 mL of HCl with 0.010 M NaOH. You find the end point of your titration occurs when 12.0 mL of NaOH has been added

leonid [27]

Answer:

The total volume of the solution at the end point of the titration is 17.0 mL

Explanation:

First we will write a balanced chemical equation for the reaction between HCl and NaOH.

HCl + NaOH → NaCl + H₂O

This means 1 mole of HCl will react with 1 mole of NaOH to give 1 mole of NaCl and 1 mole of H₂O

From the question,

Concentration of acid (HCl), $C_{A}$ = ??

Volume of acid (HCl), $V_{A}$ = 5.0 mL

Concentration pf base (NaOH), $C_{B}$ = 0.010 M

Volume of base (NaOH), $V_{B}$ = 12.0 mL

To determine the Concentration of acid, $C_{A}$

From,

$\frac{C_{A}V_{A} }{C_{B}V_{B} } = \frac{n_{A} }{n_{B} }$

Where $n_{A}$ is the mole ratio of acid

and $n_{B}$ is the mole ratio of base.

The concentration of the acid used can be determined from the above formula.

But, we are asked to find the total volume of the solution at the end point of the titration

The total volume of the solution will be the sum of the volume of HCl that reacted and volume of NaOH that reacted.

Hence, The total volume of the solution = $V_{A} + V_{B}$

= 5.0 mL + 12.0 mL

= 17.0 mL

Hence, the total volume of the solution at the end point of the titration is 17.0 mL

6 0

3 years ago

What is the temperature of Absolute zero measured in C

kiruha [24]

Answer:

minus 273.15 degrees on the Celsius scale

Explanation:

minus 459.67 degrees Fahrenheit.

Formula:Deduct 32, then multiply by 5, then divide by 9

6 0

3 years ago

The reaction below was carried out in an acidic solution l-+10-3--->l2 Which statement is true about this equation? Although

forsale [732]

Answer:

be cool

Explanation:

there has to be a little math done in order to get ir

7 0

3 years ago

Read 2 more answers

A sample of a gas occupies 2.76 L at 303K. What would the volume be if the temperature was increased to 404K? Assume constant

Artist 52 [7]

Answer:

If the temperature was increased to 404 K, its volume would be 3.68 L.

Explanation:

Charles' Law gives a relationship between the volume and the temperature of the gas at constant temperature. This law states that the volume of a given amount of gas held at constant pressure is directly proportional to the temperature.

$V\propto T$

$\dfrac{V_1}{V_2}=\dfrac{T_1}{T_2}$

Let

$V_1=2.76\ L\\\\T_1=303\ K\\\\T_2=404\ K$

Let $V_2$ is new volume. Using above formula we get :

$V_2=\dfrac{V_1T_2}{T_1}\\\\V_2=\dfrac{2.76\times 404}{303}\\\\V_2=3.68\ L$

If the temperature was increased to 404 K, its volume would be 3.68 L.

6 0

4 years ago

What interment that mesure air pressure

vova2212 [387]

The instrument that measures air pressure is called a barometer. It measures the wind pressure and it is easy to move and read.

Hope I helped!

- Amber

4 0

3 years ago