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2 years ago

What are the common types of weak bonds important in biochemistry? How does water affect these bonds?

Chemistry

1 answer:

Ray Of Light [21]2 years ago

4 0

Answer:

Covalent bond

Explanation: the hydrogen bonds between water molecules are broken down and they can be replaced by equivalent bonds between water and ammonia molecules. Some of the ammonia also reacts with the water to produce ammonium ions and hydroxide ions.

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A square table has an area of 400 square feet. They want to cut the table into two equal rectangles. If they cut the table in ha

Orlov [11]

Answer:

b=200

l=100

Explanation:

so since it is a square all sides would be equal

when you cut the square vertically the dimensions will change

the bredth would be same that is 200

but the length would be half that is 100

7 0

2 years ago

Balance this equation---> Fe(s)+O2(g)--->FeO(s) (s) = solid (g)= gas

allsm [11]

To balance this equation simply place the coefficient 2 in front of both the iron metal and the iron II oxide FeO.

8 0

3 years ago

Which structure vibrates the hammer? stirrup ear canal eardrum anvil

sammy [17]

ANSWER: Eardrum

EXPLANATION:

The vibrations from the eardrum set the ossicles into motion. The ossicles are actually tiny bones — the smallest in the human body. The three bones are named after their shapes: the malleus (hammer), incus (anvil) and stapes (stirrup). The ossicles further amplify the sound.

5 0

3 years ago

Nuclear decay 27Al + He 》 39P

dybincka [34]

Answer:

$_{13}^{27}\text{Al} + \rm _{2}^{4}\text{He} \longrightarrow \, _{15}^{31}\text{P}$

Explanation:

The unbalanced nuclear equation is

$^{27}\text{Al} + \rm \text{He} \longrightarrow \, ^{31}\text{P}$

We can insert the subscripts, because these are the atomic numbers of the elements

$_{13}^{27}\text{Al} + \, \rm _{2}\text{He} \longrightarrow \, _{15}^{31}\text{P}$

That leaves only the superscript of He to be determined,

The main point to remember in balancing nuclear equations is that the sums of the superscripts must be the same on each side of the equation.

Then

27 + x = 31, so x = 31 - 27 = 4

Then, your nuclear equation becomes

$_{13}^{27}\text{Al} + \, \rm _{2}^{4}\text{He} \longrightarrow \, _{15}^{31}\text{P}$

6 0

2 years ago

Biological specimens are often examined by microscopy. However, microscopy with visible light is limited to viewing details of a

Alborosie

Answer:

(a) Wavelength = 4.85 x 10^-12 m

(b) Maximum uncertainty = 5.27*10^-25 kgm/s

Explanation:

(a) Calculating the wavelength using the formula;

λ= h/p

but p = mv

Where;

m = mass of electron = 9.1 x 10-31

h = 6.625 x 10^-34

= h/mv

= 6.625 x 10^-34 / (9.1 x 10^-31 x 1.5×10^8)

= 4.85 x 10^-12 m

so, the wavelength is short enough to reveal molecular details at the atomic level.

(b) Find attached of part b

6 0

3 years ago