1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Julli [10]
3 years ago
9

List the 5 functions of skin.

Chemistry
2 answers:
blsea [12.9K]3 years ago
5 0
There are five critical functions of skin. They are: Prevents loss of essential body fluids (blood), protects body from harmful effects of radiation and sun, allows for toxic substances to excrete (Sweat), supports the body by giving mechanical support, and regulates body temperature.

zvonat [6]3 years ago
4 0
Five of the major functions of the skin are
-Protection against disease
-Sensory response
-Formation of vitamin D 
-Maintaining body temperature 
-Waste exchange

                                  Hope this helps:)
You might be interested in
These questions are from an experiment where we had a mixture of Ferrocene, acetylferrocene and diacetyl ferrocene and we separa
PilotLPTM [1.2K]

Answer:

Explanation:

The polarity of the 3 compounds would be in the order of

Ferrocene < Acetylferrocene < Diacetylferrocene

Your TLC data has to also support this observation . This can be checked by measuring the values of Rf ( Retention factor = distance travelled by solute/solvent ) .The Rf values also has to follow this particular order: -

Ferrocene > acetylferrocene > diacetylferrocene

2) Hexane happens to be a non-polar solvent. The polarity of hexane can be increased if some polar solvents for example, ethyl and methylene chloride etc are added

Therefore, in the increasing order of solvents polarity, we have

Hexane < 1:1 mixture of hexane: methylene chloride < 9:1 mixture of methylene chloride:

3) Chromatographic techniques all have a stationary phase in addition to a mobile phase. In the case of column chromatography, the silica gel will be the stationary phase and the solvent that will be poured will be the mobile phase.

4) The TLC and column chromatography both happen to have the same stationary phase which is the silica gel. Also, the same solvent mixture is used in both the techniques. This makes the result of the 2 to be almost the same. The difference seen between them is that, TLC works against the gravity while on the other hand column chromatography works in the direction of the gravity.

5) The key feature in the IR spectra of the acetylferrocene that will be absent in the spectra of ferrocene is the presence of carbonyl stretching frequency at close to 1700 per cm(cm-1). This peak is easily differentiated between both acetyl ferrocene and ferrocene.

4 0
3 years ago
What is the oxidation number of iodine in KL04?<br> (1)- +1<br> (2)- -1<br> (3)- +7<br> (4)- -7
Nostrana [21]
3) +7

I got this stupid question wrong so that you people don't have to. I simply hate chemistry and I wish it didn't exist. Kind of like this website that makes me explain the answer. 

Trust me, the answer is correct
4 0
3 years ago
The reactant side of a balanced chemical equation is shown below.
Sloan [31]

Answer:

2

Explanation:

In the equation, Cl is chlorine and there is a number "2" so that the correct answer is 2.

6 0
4 years ago
Read 2 more answers
Please Balanced this Equation
Scilla [17]

Answer:

\rm {Cr_2O_7}^{2-} + 6 \; Fe^{2+} + \underbrace{\rm 14\; H^{+}}_{\text{From}\atop \text{Acid}}\to 2\; Cr^{3+} + 6\; Fe^{3+} + 7\; H_2 O.

Explanation:

Consider the oxidation state on each of the element:

Left-hand side:

  • O: -2 (as in most compounds);
  • Cr: \displaystyle \frac{1}{2}(\underbrace{-2}_{\text{ion}} - \underbrace{7\times (-2)}_{\text{Oxygen}}) = +6;
  • Fe: +2 (from the charge of the ion);

Right-hand side:

  • Cr: +3;
  • Fe: +3.

Change in oxidation state:

  • Each Cr atom: decreases by 3 (reduction).
  • Each Fe atom: increases by 1 (oxidation).

Changes in oxidation states shall balance each other in redox reactions. Thus, for each Cr atom on the left-hand side, there need to be three Fe atoms.

Assume that the coefficient of the most complex species \rm Cr_2O_7^{2-} is 1. There will be two Cr atoms and hence six Fe atoms on the left-hand side. Additionally, there are going to be seven O atoms.

Atoms are conserved in chemical reactions. As a result, the right-hand side of this equation will contain

  • two Cr atoms,
  • six Fe atoms, and
  • seven O atoms.

O atoms seldom appear among the products in acidic environments; they rapidly combine with \rm H^{+} ions to produce water \rm H_2O. Seven O atoms will make seven water molecules. That's fourteen H atoms and hence fourteen \rm H^{+} ions on the product side of this equation. Hence the balanced equation. Double check to ensure that the charges on the ions also balance.

\rm {Cr_2O_7}^{2-} + 6 \; Fe^{2+} + \underbrace{\rm 14\; H^{+}}_{\text{From}\atop \text{Acid}}\to 2\; Cr^{3+} + 6\; Fe^{3+} + 7\; H_2 O.

7 0
4 years ago
Temperature is the measure of average potential energy particles of a substance. <br> TRUE or FALSE
12345 [234]

Answer:True

Explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • A cup of gold colored metal bed was measured to have a mask for 25 g. By water displacement, the volume of the bed was calculate
    13·1 answer
  • You add 7.8 g of iron to 20.70 mL of water and observe that the volume of iron and water together is 21.69 mL . Calculate the de
    13·1 answer
  • Please can someone help I will mark brainiest!
    13·1 answer
  • Where does most of the mass of an atom come from?
    7·1 answer
  • How many additional electrons can fit into the n=3 shell of sulfur
    7·1 answer
  • Living organisms make their own carbon
    13·1 answer
  • What defines rate-determining step in a chemical reaction
    7·1 answer
  • The elements from this section of the periodic table all belong to the same
    8·2 answers
  • The actual yield of a product in a reaction was measured as 1.20 g. If the theoretical yield of the product for the reaction is
    13·2 answers
  • Which two types of information are written in an element's box in the periodic table?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!