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mel-nik [20]
3 years ago
5

Influnza meaning....​

Chemistry
2 answers:
FromTheMoon [43]3 years ago
8 0

Answer:

Influenza is a respiratory infection that is spread through contact with respiratory secretions from an infected person who is sneezing and/or coughing. illness—each year approximately 36,000 persons die as a result of complications of influenza and over 200,000 are hospitalized.

Explanation:

aivan3 [116]3 years ago
8 0

Influenza is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness. Serious outcomes of flu infection can result in hospitalization or death.

The flu attacks the lungs, nose, and throat. Young children, older adults, pregnant women, and people with chronic disease or weak immune systems are at high risk.

Symptoms include fever, chills, muscle aches, cough, congestion, runny nose, headaches, and fatigue.

If you have influenza, you can expect the illness to go away on its own in about 7 to 10 days. In the meantime, you can take steps to feel better: Get extra rest. Extra rest can help you feel better.

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What is the mass of 3.5x10^22 molecules of C6H12O6
maw [93]
Molar C6H12O6 = 180.15 g/mol

180.15 g -------------- 6.02x10²³ molecules
?? g ------------------- 3.5x10²² molecules

( 3.5x10²²) x 180.15 / 6.02x10²³ =

=> 10.47 g


7 0
3 years ago
Phenol, c6h5oh, is a stronger acid than methanol, ch3oh, even though both contain an o]h bond. Draw the structures of the anions
timurjin [86]

In resonance structures, the chemical connectivity in the molecule is same but the distribution of electrons are different around the structure.  They are created by moving electrons in double or triple bonds, and not atoms.

Phenol, C_6H_5OH and methanol, CH_3OH both are alcohols  that contain an -OH group attached to carbon atom.

Due to loss of 1 H from phenol, it forms phenoxide anion and due to presence of double bond in the benzene ring the negative charge on the oxygen atom (which represents electrons) will resonate with double bonds of benzene ring as shown in the image. The resonance-stabilized phenoxide ion is more stable. Whereas when methanol lose 1 H it forms methoxide anion and there are no such electrons present in the structure of methoxide that will result in the movement of electron. Since, due to resonance-stabilized phenoxide ion is more stable than methoxide ion, so it is a stronger acid.

The structures of the anions resulting from loss of 1 H from phenol and methanol is shown in the image.

8 0
3 years ago
_______ can be generally defined as a change in position.
r-ruslan [8.4K]
B. Motion is the answer.
3 0
3 years ago
Read 2 more answers
Determine how many ml of water you need to remove, by evaporation, if you have a 500 ml of 10.20 M HNO3 dilute solution and you
Ludmilka [50]

The total volume of water that would be removed will be 75 mL

<h3>Dilution equation</h3>

Using the dilution equation:

M1V1 = M2V2

In this case, M1 = 500 mL, V1 = 10.20 M, M2 = 12 M

Substitute:

V2 = 500 x 10.20/12

         = 425 mL

The final volume in order to arrive at 12 M HNO3 would be 425 mL from the initial 500 mL. Thus, the total amount of water that will be removed by evaporation can be calculated as:

500 - 425 = 75 mL

More on dilution can be found here: brainly.com/question/7208939

7 0
3 years ago
Which of the following does not involve colligative properties?
fomenos
Colligative properties are usually used in relation to solutions.
Colligative properties are those properties of solutions, which depend on the concentration of the solutes [molecules, ions, etc.] in the solutions and not on the chemical nature of those chemical species. Examples of colligative properties include: vapour pressure depression, boiling point elevation, osmotic pressure, freezing point depression, etc. 
For the question given above, the correct option is D. This is because the statement is talking about freezing point elevation, which is not part of colligative properties.
7 0
4 years ago
Read 2 more answers
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