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irakobra [83]
3 years ago
7

Instead on having roots and leaves molds grow as thread like filaments called

Biology
2 answers:
Vlad1618 [11]3 years ago
8 0
Hyphae - it’s typically the main way of vegetative growth and collectively it’s called the mycelium. Occurs in yeast and fungi
Pavlova-9 [17]3 years ago
7 0
Hyphae - it’s typically the main way of vegetative growth and collectively it’s called the mycelium. Occurs in yeast and fungi
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A solution of acetic acid is prepared in water by adding 11.1 g of sodium acetate to a volumetric flask and brining in the volum
velikii [3]

Answer:

The concentration of

the Acetic Acid is 0.0325M

the Sodium Acetate is 0.1028M

Explanation:

Given

The dissociation of acetic acid is

CH3COOH + CH3COO- + H+ + HA -> A- + H+

We calculate the molarity of sodium acetate by using

Molarity = Moles/Volume

The formula weight of sodium acetate is 82.03 g/mol.

Moles = 11.1g/82.03g/mol

= 0.1353M

Since the volume is 1L, the molarity of sodium acetate will still be 0.1353M

The starting concentration of sodium acetate is 0.1353M

The final concentration of sodium acetate is the starting amount of sodium acetate, minus the amount that was protonated.

Assume that, x = concentration of acetic acid, which is the amount of sodium acetate that was protonated.

From the Henderson-Hasselbalch equation

PH = pKa + log[A-]/[HA]

[A-] = 0.1353 - x

[HA] = x

pKa = 4.75

PH = 5.25

Substitute in these values

5.25 = 4.75 + log(0.1353-x)/x

log(0.1353 - x)/x = 5.25 - 4.75

log(0.1353-x)/x = 0.5

log(0.1353 - x)/x = ½

(0.1353-x)/x = 10^½

(0.1353 - x)/x = 3.1623

0.1353 - x = 3.1623x

0.1353 = x + 3.1623x

0.1353 = 4.1623x

x = 0.1353/4.1623

x = 0.0325M

Therefore [HA] = x = 0.0325M

[A-] = 0.1353 - x = 0.1353 - 0.0325 =

[A-] = 0.1028M

8 0
3 years ago
What process creates the biological molecule that composes the other three biological molecules in the chart?
ICE Princess25 [194]
C HOPE IT HELPSSSS!!!!
8 0
3 years ago
Easy one - giving brainly if correct​
Vlada [557]

Answer:

A seamount is a mountain that is formed at a hotspot, large enought to be seen above the ocean's surface

3 0
2 years ago
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How many cells are there in the human body and how many microorganisms are there in a human body?
nydimaria [60]
As of 2014, it was often reported in popular media and in the scientific literature that there are about 10<span> times as many microbial cells in the human body than there are human cells; this figure was based on estimates that the human microbiome includes around </span>100 trillion<span> bacterial cells and an adult human</span>
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3 years ago
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Which valves produce the second heart sound when they snap shut?
Taya2010 [7]
Answer: D) Pulmonary and aortic valves.

Explanation
There are two main heartbeats from a healthy heart.

The first beat is called the S1 or the lub, and it occurs when the atrioventricular valves (comprising the mitral and tricuspid valves) close.

The second beat is called the S2 or the dub, and it occurs when the semilunar valves (comprising the aortic and pulmonary valves) close.

Listening for heart beats is an essential part of cardiac auscultation.
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