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2 years ago

1.3. Why is it important to prioritise your life goals?

2 answers:

7 0

Because if you don’t you will be a slob and not know what to do with your life. It is important because it helps you achieve your dreams and not to give up on them

Law Incorporation [45]2 years ago

3 0

Answer:

Establishing priorities is necessary in order to complete everything that needs to be done. Prioritization is important because it with allow you to give your attention to tasks that are important and urgent so that you can later focus on lower priority tasks.

Explanation:

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A certain buffer is made by mixing a weak acid HA and its conjugate base A–. When HA is present at a concentration of 0.5 mM and

MAVERICK [17]

Answer:The ratio of the concentrations of $HA$ and $A^-$ when the buffer has a pH of 7.02 is 0.69

Explanation:

The dissociation constant for formic acid = $K_a=1.8\times 10^{-4}$

Concentration of HA= 0.5 mM

Concentration of $A^-$ = 0.1 mM

pH = 6.16

First we have to calculate the value of $K_a$ .

Using Henderson Hesselbach equation :

$pH=pK_a+\log \frac{[A^-}{[HA]}$

Now put all the given values in this expression, we get:

$6.16=pK_a+\log (\frac{[0.1]}{0.5})$

$pK_a=6.86$

To calculate the ratio of the concentrations of $HA$ and $A^-$ when the buffer has a pH of 7.02.

Using Henderson Hesselbach equation :

$7.02=6.86+\log \frac{[A^-]}{[HA]}$

$\frac{[A^-]}{[HA]}=1.44$

$\frac{[HA]}{[A^-]}=0.69$

Thus the ratio of the concentrations of $HA$ and $A^-$ when the buffer has a pH of 7.02 is 0.69

7 0

3 years ago

In a factory there are many times that need to be performed someone has to order in stock supplies that are needed for the facto

Tomtit [17]

Answer:

The correct answer is cells can do more in less time.

Explanation:

Human body has developed specialized cell so that specific cells can carry out specific functions of the complex human body system.

Each body cells are specialized for their specific function for example heart cells act as pump,lung cells helps in gas exchange,blood cells helps in transport of biomolecules,muscle cells helps in the contraction and relaxation.

Thus the numerous functions of human body are divided among specific cell so that each cell will have low work load and can carry out their specific functions in less time.

3 0

2 years ago

Elephants diet reactants and products

Kamila [148]

The world could lose a fifth of its African elephant population in 10 years. ...

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3 years ago

WILL GIVE BRAINLIST IN A TEST

Aneli [31]

Answer:

yeah it's the third one.

8 0