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lisov135 [29]
3 years ago
5

The cellular unit of the nervous system is the neuron. what is the major function of this cell type

Chemistry
1 answer:
Ghella [55]3 years ago
7 0
To send messages throughout the body

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Cryogenics has the potential to be useful in a variety of fields, including medicine. Suppose you have engineered a method to su
tatiyna

Explanation:

It is known that the specific heat capacity of Liver (C_{p}) is 3.59 kJ kg^{-1}.K^{-1}

It is given that :

Initial temperature of Liver = Body temperature = 37^{o}C = 310 K

Final temperature of Liver = 180 K

Relation between heat energy, mass, and change in temperature is as follows.

                        Q = m \times C_{p} \times \Delta T

Now, putting the given values into the above formula as follows.

                    Q = m \times C_{p} \times \Delta T

                    Q = 1.5 kg \times 3.59 kJ/kg.K \times (310 - 180) K

                         =  700.05 kJ

Therefore, we can conclude that amount of heat which must be removed from the liver is 700.05 kJ.

7 0
4 years ago
In a chemical reaction, an iron atom became the ion fe2 . what happened to the iron atom?
padilas [110]
An iron atom has a charge of zero. It's charge increases to 2+. Due to the increase in oxidation state, the atom is said to be oxidised. Oxidation occurs when an atom loses electrons. 
Hence, the answer is (a).
3 0
3 years ago
Read 2 more answers
A sample of solid NH4NO3 was placed in an evacuated container and then heated so that it decomposed explosively according to the
dybincka [34]

Answer:

Kp is 2.98  (option c.)

Explanation:

The decomposition is:

NH₄NO₃(s) →  N₂O(g) + 2H₂O(g)

Total pressure at equilibrium is 2.72 bar so, in order to determine Kp we need the partial pressure and we only have total pressure.

According to stoichiometry, nitrogen oxide increase by 1, the partial pressure and water vapor, by 2.

Total pressure is: Partial pressure N₂O + Partial pressure H₂O

2.72 bar = X + 2X → X = 2.72 bar / 3 = 0.91 bar

Partial pressure N₂O = 0.91 bar

Partial pressure H₂O = 1.81 bar

We make the expression for Kp = Partial pressure N₂O . (P. pressure H₂O)²

Kp = 0.91 . 1.81² = 2.98

We do not consider the ammonium nitrate, because it is solid

3 0
3 years ago
Read 2 more answers
A lead apron is a ________________ instrument classification of disease transmission. Fill in the blank
pochemuha

Answer:

A lead apron is a <u>non-critical </u> instrument.

Hope it helps!

7 0
2 years ago
Which of the following would increase the solubility of a gas in a liquid ?
cestrela7 [59]
You haven't given any answers...but...

Heat tends to increase the solubility of gases and liquids.

Hope this helps!

4 0
3 years ago
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