Something about H2O2

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https://www.medicalnewstoday.com/articles/322725

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H2o2 h2so4 reaction

Sulfuric acid react with hydrogen peroxide

Sulfuric acid react with hydrogen peroxide to produce peroxymonosulfuric acid and water. Sulfuric acid and hydrogen peroxide – concentrated solutions. This reaction takes place at a temperature near 0°C.

H2o2 empirical formula

Empirical formulas are ratios for the different elements in a molecule and not a representation of the actual number of atoms in the molecule. This means that several different molecules may have the same empirical formula if they contain the same elements in the same proportion to each other, yet they are very different chemicals.

The empirical formula of H2 O2 is HO. H2 O2 is the molecular formula for hydrogen peroxide.

Boiling point of h2o2

The boiling point of H 2O 2 has been extrapolated as being 150.2 °C, approximately 50 °C higher than water. In practice, hydrogen peroxide will undergo potentially explosive thermal decomposition if heated to this temperature. It may be safely distilled at lower temperatures under reduced pressure

h2o2 rate of decomposition

The decomposition of hydrogen peroxide is a 1st order reaction with k = 7.30 x 10–4 s–1.

H2o2 chemical equation : http://hanimexchem.com/wiki-about-equation-of-h2o2/

H2o2 food grade uses

Diluted food grade hydrogen peroxide is often part of dental care products and processes:

• mouthwash
• toothpaste (mixed with baking soda)
• tooth whitening
• toothbrush cleaning

People also use diluted food grade hydrogen peroxide in home food preparation and storage, including:

• vegetable antibacterial wash
• lettuce preservative
• meat or poultry marinade

Diluted with water, it’s also used in food-related home cleaning such as:

• cutting board disinfection
• countertop disinfection
• sponge and dish cloth cleaning
• refrigerator cleaning
• lunchbox disinfection

H2o2 in plants

Hydrogen peroxide (H2O2) is produced predominantly in plant cells during photosynthesis and photorespiration, and to a lesser extent, in respiration processes. It is the most stable of the so-called reactive oxygen species (ROS), and therefore plays a crucial role as a signalling molecule in various physiological processes. Intra- and intercellular levels of H2O2 increase during environmental stresses. Hydrogen peroxide interacts with thiol-containing proteins and activates different signalling pathways as well as transcription factors, which in turn regulate gene expression and cell-cycle processes. Genetic systems controlling cellular redox homeostasis and H2O2 signalling are discussed. In addition to photosynthetic and respiratory metabolism, the extracellular matrix (ECM) plays an important role in the generation of H2O2, which regulates plant growth, development, acclimatory and defence responses. During various environmental stresses the highest levels of H2O2 are observed in the leaf veins. Most of our knowledge about H2O2 in plants has been obtained from obligate C3 plants. The potential role of H2O2 in the photosynthetic mode of carbon assimilation, such as C4 metabolism and CAM (Crassulacean acid metabolism) is discussed. We speculate that early in the evolution of oxygenic photosynthesis on Earth, H2O2 could have been involved in the evolution of modern photosystem II.

H2o2 ear drops

Many solutions contain hydrogen peroxide. Hydrogen peroxide helps the wax bubble up and results in the wax becoming softer. Debrox and Murine are two common eardrop brands.

Here’s a general approach to using eardrops:

1. Lie down on your side. One ear should face up.
2. Administer the instructed number of drops into your ear canal and fill it with fluid.
3. Keep still for 5 minutes.
4. Sit up after 5 minutes, and blot the outer ear with a tissue to absorb any liquid that comes out.
5. Repeat this process for your other ear.

Be sure to follow the directions on the eardrop package. You may need to administer the drops more than once per day or over the course of several days.

You can also make your own eardrop solution at home. You can create a solution with a 1-1 ratio of water and vinegar, or just use drops of hydrogen peroxide. Consult your doctor before trying these homemade methods.

Be sure to follow the directions provided with the eardrops. If you think you have an ear injury, you shouldn’t use eardrops. This may cause infection or pain.

You should never stick a foreign object into your ear to help remove the wax. If you feel like wax is lodged in your ear and are experiencing discomfort, you should see your doctor.

H2o2 ear wax

Earwax is a waxy substance secreted in the ear canal. It is a natural cleanser with antifungal and antibacterial properties that help protect the ears.

However, too much earwax can cause problems. A buildup can plug the canal and lead to:

• infections
• earaches
• ear discharge
• hearing difficulties
• ringing in the ear, or tinnitus
• itching inside the ear

Can hydrogen peroxide remove earwax?

The medical term for earwax is cerumen, and hydrogen peroxide is a cerumenolytic, which means that it can soften, break down, and dissolve earwax.

Ear drops can contain a variety of forms of hydrogen peroxide. A common type is carbamide hydroxide, which adds oxygen to the wax, causing it to bubble. This softens and helps to remove the buildup.

According to the results of a 2013 study, hydrogen peroxide may not be necessary. The researchers found that distilled water softened earwax effectively.

However, a large-scale Cochrane review from 2018 found no strong evidence that one type of ear drop was better than another. The researchers also found little evidence that any treatment was effective.

When using ear drops, always follow the instructions on the packaging or the doctor’s orders.

The instructions usually involve squeezing no more than five drops into each ear, two or three times a day, for up to 1 week.

The following general tips may help:

• lie down on one side
• squeeze the recommended number of drops into the ear canal
• stay still for around 5 minutes, then blot the ear with a tissue

People can make ear drop solutions at home using a 1:1 ratio of water and hydrogen peroxide. However, always consult a doctor before using any homemade solutions.

Ear drops containing hydrogen peroxide are available for purchase over the counter or online.

 

 

Source:

https://www.medicalnewstoday.com/articles/322725

internet

 

 

 

 

 

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