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Compendium of Hydrogen Energy : Hydrogen Use, Safety and the Hydrogen Economy
Compendium of Hydrogen Energy Volume 4: Hydrogen Use, Safety and the Hydrogen Economy focuses on the uses of hydrogen.As many experts believe the hydrogen economy will, at some point, replace the fossil fuel economy as the primary source of the world’s energy, this book investigates the uses of this energy, from transport, to stationary and portable applications, with final sections discussing the difficulties and possibilities of the widespread adoption of the hydrogen economy.
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Description Hydrogen Rich Water Bottle Ionizer Alkaline Generator Portable Healthy Cup USB Rechargeable Anti-Aging Hydrogen Water 200ml ● It is used to produce hydrogen-rich water for health and beauty. Hydrogen-rich water can effectively remove toxic free radicals, prevent cell oxidation, prevent diseases, improve human metabolism, delay senility and improve skin quality. ●Real SPE(Solid Polymer Electrolyte) + PEM(Proton Exchange Membrane) Dual Chamber technology, Korean Titanium with Platinum Coating. ● 100% safe to drink, Hydrogen purity reached 99.99%. Oxygen, chlorine and ozone are separated out, discharged from the bottom waste gas vent device. ● 1200mAh large capacity battery, the number of electrolysis times is two times that of other products. ● How to use: 1: Press and hold the touch key for 3 seconds to turn on the device.the buzzer sounds once, and the device works for 5 minutes.After the device is finished working, the buzzer sounds once andstops working;2:When the device i working, the colorful lights flash;3: When the battery is low, the red light flashes for 3 seconds to remindthe user to charge; 4: The blue light is on when charging, and turnsgreen when fully charged: 5: You can use 5V/1A or 5V/2A adapters, and the charging time is thesame; When the hydrogen water generator is working,Press the button once,it will stop working,and Light is off. ● Super-high concentration ・ 5 minute mode for 1 time: 2000ppb ~ 2900ppb; ・ 5 minute mode for 2 time: 2900ppb ~ 3200ppb; ・ 5 minute mode for 3 time: 3200ppb ~ 3500ppb; Please do not exceed 3 times for 10 minute mode,Because too much air pressure can lead to accidents such as leaks. ● Works with All Potable Water Types--Mineral water, Purified water, Distilled water, RO water, purified water,Cold boiled water, Warm boiled water (water temperature below 65 degree) . ● 3 ways use design, Can be directly connected to a mineral water bottle, Can also absorb hydrogen at home, portable for travel, work and office. ● Maintenance: Long press button open Cleaning mode very 1 weeks & Clean with citric acid every 2 to 4 weeks. Specification: Cup body material:Food grade tritan .(recommend the best temperature for daily use 0~60°C.) battery:1200mAh Power:Type-C USB 3.7V-5V Capacity:200ml Package Includes: 1 * Hydrogen Water Generator 1 * USB Charging cable 1 * User Manual 1 * Moisturizing button
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Why does hydrogen gas form at the negative pole during the electrolysis of an acidic solution?
During the electrolysis of an acidic solution, hydrogen gas forms at the negative pole (cathode) because hydrogen ions (H+) from the acid are attracted to the negatively charged electrode. At the cathode, these hydrogen ions gain electrons and are reduced to form hydrogen gas (H2). This process occurs due to the reduction reaction that takes place at the cathode during electrolysis.
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Are pickles acidic?
Yes, pickles are acidic. They are made by fermenting cucumbers in a brine solution, which typically includes vinegar. The acidity in pickles comes from the vinegar used in the pickling process. This acidity gives pickles their tangy flavor and helps preserve them.
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What are acidic solutions?
Acidic solutions are solutions that have a pH level lower than 7. They contain a higher concentration of hydrogen ions (H+) than hydroxide ions (OH-). Acids are substances that release hydrogen ions when dissolved in water, leading to the characteristic sour taste and ability to react with bases to form salts. Examples of acidic solutions include lemon juice, vinegar, and stomach acid.
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What are acidic drinks?
Acidic drinks are beverages that have a low pH level, meaning they are more acidic in nature. These drinks can include citrus juices, sodas, energy drinks, and certain alcoholic beverages. The acidity in these drinks can cause erosion of tooth enamel and may contribute to digestive issues for some individuals. It's important to consume acidic drinks in moderation and to practice good oral hygiene to minimize potential negative effects.
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These high socks Hydrogen bring you an excellent comfort for your sports activities.They adapt perfectly to the morphology of your feet thanks to its soft and flexible fabric.Designed for the practice of sport, they are ideal to be comfortable in your movements on the tennis court.
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Why is rainwater acidic?
Rainwater becomes acidic due to the presence of carbon dioxide in the atmosphere. When carbon dioxide dissolves in rainwater, it forms carbonic acid, lowering the pH of the rainwater. Additionally, pollutants such as sulfur dioxide and nitrogen oxides can also mix with rainwater, further lowering its pH and making it more acidic. This acidic rainwater can have harmful effects on the environment, including damaging plants, aquatic life, and infrastructure.
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What are the molar concentrations of hydrogen ions in two acidic aqueous solutions with pH values of 5 and 3?
The molar concentration of hydrogen ions in an acidic solution can be calculated using the formula: [H+] = 10^(-pH). For a solution with a pH of 5, the molar concentration of hydrogen ions would be 10^(-5) = 0.00001 M. For a solution with a pH of 3, the molar concentration of hydrogen ions would be 10^(-3) = 0.001 M. Therefore, the molar concentration of hydrogen ions in the solution with a pH of 3 is higher than the molar concentration in the solution with a pH of 5.
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Determine based on the pKa and pKb values whether hydrogen sulfate ions (H2SO4) react as acidic or alkaline in aqueous solution.
The pKa value of hydrogen sulfate ions (H2SO4) is approximately 1.99, indicating that it is a strong acid. This means that in aqueous solution, hydrogen sulfate ions will readily donate a proton, making it acidic. Additionally, the pKb value for the conjugate base of hydrogen sulfate ions is not relevant since it is a strong acid and does not readily accept protons, further confirming its acidic nature in aqueous solution.
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Is molecular hydrogen the same as hydrogen?
Molecular hydrogen and hydrogen are not the same. Molecular hydrogen (H2) is a diatomic molecule composed of two hydrogen atoms bonded together. On the other hand, hydrogen typically refers to atomic hydrogen (H), which is a single hydrogen atom. Molecular hydrogen is the most common form of hydrogen found in nature, and it is also the form that is being studied for its potential health benefits and applications in various industries.
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