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What happens when you mix hydrogen and oxygen?

Demonstrations of what happens when a mixture of hydrogen and oxygen is ignited under controlled conditions are given by college professors for chemistry students, and the result is spectacular. The most famous example of an uncontrolled hydrogen/oxygen reaction is the 1937 Hindenburg disaster. This produced an enormous explosion and a lot of water. The danger of igniting hydrogen and oxygen is that hydrogen is flammable and oxygen supports combustion.\nClean water is an important concern throughout the world, and according to a 2006 United Nations report, up to 20 percent of the world's ..

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What are some common Russian traditions?

The Russian New Year date is based on an older tradition, and festivities centered around the holiday include the lighting of a New Year's tree and a visit from Ded Moroz, also known as the Russian Santa Claus. Sviatki is also known as Russian Christmastide and occurs from Jan. 7 through Jan. 19. Celebrations include old traditions, such as fortune telling and carolling. The religious tradition of bathing in icy water at the height of Sviatki, also known as Epiphany, is believed to be magical.\nMaslenitsa is the celebration of spring before Lent that includes special games for children. M..

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What is the purpose of a microwave venting to the outside?

While some microwaves have options simply to filter the air and release it back into the kitchen, the best option is to vent the microwave outside. Even with a filter, particles from fumes and smoke can still get back into the kitchen. Over-the-range microwaves typically have fans that pull the dirty air in, and that air needs to be vented outside in order for the microwave's venting system to work properly.

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What are some causes of tingling in the hands and fingers?

Infections that can cause tingling include HIV/AIDS, herpes simplex, Lyme disease and shingles, according to WebMD. Injuries may crush, compress or damage nerves. A dislocated bone or herniated disc may compress nerves leading to nerve pain. Poisons result from contact with industrial or environmental chemicals and heavy metals such as mercury, lead and arsenic.\nVitamins such as vitamins E, B1, B6 and B12 are necessary for the nerves to function properly, notes WebMD. Inadequate vitamin B12 may cause pernicious anemia, resulting in the tingling of the hands and fingers. Alcoholism not only ca..

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Why is literature so important?

Studying literature helps readers develop many skills, including reading, interpretation, discussion and writing. Through sustained study of a poem or novel, readers can increase vocabulary and become more verbally refined. Discussing literature improves readers' ability to debate and defend their thoughts out loud. Writing about literature can also help improve written communication and organizational skills.\nLiterature can also help readers build up a much wider range of knowledge, creating interest in new subjects and experiences. Literature provides vicarious experiences that directl..

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What are some ideas for manners worksheets for kids?

Children begin to learn manners informally at home, and this continues in a formal setting at school. As they interact with peers and adults, they learn social skills, such as sharing, talking politely, showing respect and practicing good hygiene. Parents and teachers use age-appropriate worksheets to teach and reinforce these valuable good manners. Worksheets also serve as visual aids for adults to establish home and classroom rules and as reminders for children to follow them.\nInvolving children's creativity through hands-on worksheet activities, such as coloring, counting, cutting and..

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What are bad things about a monarchy?

A competent monarch can do great things for his country, but a bad monarch can cause disaster. Since monarchs have a great deal of power, they have the ability to harm a nation in a way that can take decades or even longer from which to recover. Even though monarchs are trained from a young age to lead, they might lack the insight needed to govern effectively.\nMonarchies are often viewed as immoral. The people have no say in who leads, and they are cast as subservient by being born to the wrong parents. This also creates a practical problem, as revolts are common in history. Elected forms of ..

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How can you refurbish an old wall heater?

Many old wall heating units do present a fire hazard with old wiring and/or natural gas leaks. In order to prevent fires, it may be wise to replace the unit with a newer model. If the aesthetic of the wall heater is a part of the home design, disconnect the heating elements and keep the unit for decorative purposes.\nOnce a plan is made on safety, it is possible to move forward with repainting and refurbishing. If the unit is still connected to electricity or another power source, disconnect before painting. Turn off the power source at the fuse box. Spray paint is flammable, and it could be d..

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What is the best online repair manual?

Even though Auto Zone offers a wide library of online repair manuals, its catalog is not comprehensive. Haynes Online also offers a wide selection of repair manuals available for purchase. Haynes Online repair manuals can be purchased for approximately $29.99 as of 2015, but the price may vary depending on which vehicle repair manual is selected.

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How long are South Korean school days?

As high schoolers near their graduation, it's common for them to get only 4 or 5 hours of sleep per night because of their rigorous schedules. After going to school from the normal hours of around 8am-4pm, students typically go home for a quick meal only to leave for night classes at a private school. When the day is over, they return home well after midnight before rising again early in the morning to start the new day.\n\nThere is a saying in South Korea that "If you sleep three hours a night, you may get into a top 'SKY university; if you sleep four hours each night, you may get i..

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