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Where can you find a list of acidic liquids?

Depending on what the list is needed for, sites like the University of Chicago's hazardous materials management can give some insight to proper disposal and handling materials. If someone needs to remove a liquid that they are unsure about sites like the United States Environmental Protective Agency gives links to several lists that give the appropriate way to dispose of questionable material like acids with the least amount of impact to the environment.

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How does the sun produce heat?

The sun produces a massive amount of energy due to the nuclear fusion reaction in its core, in which the element hydrogen is converted into helium. The temperature in the core is about 13,600,000 degrees Kelvin, and this heat is transferred into the next layer through thermal radiation. After that, the heat is carried to the surface of the sun through convection. From the surface, where the temperature is around 5,700 K, the energy from the sun travels throughout space in the form of light radiation. A portion of this light reaches Earth, and some of the energy is trapped by the atmosphere, he..

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Can Neptune sustain human life?

One day on Neptune is about 16 hours long. It takes approximately 165 Earth years for it to make a complete orbit around the sun. Neptune is a gas giant, meaning it doesn't have a solid surface. The atmosphere is made of methane, ammonia and water, which cannot be breathed by humans.\n\nScientists will continue to study Neptune; however, they do not expect to find a way for it to sustain human life.

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How does a Lionel train work?

The Lionel train provides exceptional play value for children as well as adults. The controls of the train are straightforward and simple, which allows children to operate the entire system by age of 5. Even guests, aunts, uncles, mothers and fathers enjoy playing with these trains. The fun associated in operating the accessories and the cars is not usually seen in other types of gauge trains.

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What is the mesosystem?

Microsystems are part of the social environments that people encounter during various stages of their life. The mesosystems that occur when various aspects of a person's life intersect are valuable to learning and adapting. Consequently, it is important to note that these crossovers occur at most frequently during childhood, thus impacting a child's social development.\nWhen a child goes from their parents' home to spend the weekend with their grandparents, they have a different set of values and disciplines to adhere to from their normal home environment. These changes in expec..

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What does stomach acid do?

Wikipedia states that stomach acid, also known as gastric acid, breaks down proteins in food. First the stomach acid causes the structure of the protein to unfold to make the bonds between the protein's amino acids more accessible. Then the gastric acid activates enzymes that destroy the bonds. Stomach acid consists of hydrochloric acid, sodium chloride and potassium chloride, which are produced by the stomach lining. The hydrochloric acid also helps to destroy some harmful microorganisms in the stomach to help prevent disease. When the chyme moves along to the small intestine, it mixes w..

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What are pipettes used for?

The pipette is most commonly used in medicine, biology and chemistry to transport exact volumes of chemicals or medicine when accurate measurements are crucial. Some of these instruments create a vacuum above the liquid reservoir in order to control the amount of liquid being dispensed. The simplest pipettes are manually operated, while the most complex are electric and controlled by advanced computers.

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How much air pollution comes from motor vehicles?

Cars do not just contribute to air pollution in normal operation; they also contribute when they are\ncreated or destroyed as well as when they are refueled. Particles released from cars can become smog. Cars release other harmful pollutants such as hydrocarbons, sulfur and nitrogen oxides, carbon monoxide and toxins. They also produce greenhouse gases, worsening the effects of global warming.

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How do you calculate torque angle?

Determine the acting forceDetermine the applied force that causes the torque. If you are reading a problem, this unit is typically given in newtons and it is represented in the equation by the symbol "F". If this is a real-life problem, you can use a newton meter to calculate the force.Determine the radiusDetermine the radius, which is the distance from the axis of rotation to the application point of the force. This unit is represented by the term "r" and is typically measured in meters. For a real-life problem, measure this distance with a ruler. Rearrange the equation and solveRearrange th..

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Are mums poisonous?

Contact dermatitis typically occurs after extended exposure to the plant's leaves, stalks or flower heads and is common for gardeners and florists. The chemical Arteglasin-A triggers the allergic reaction to this popular fall plant. Washing the affected area thoroughly may clear up the skin. An emollient or moisturizer can be used.\nIf a dog, cat or horse ingests mums, the animal may show several signs such as vomiting, hypersalivation, loss of appetite or incoordination. The ASPCA recommends contacting a veterinarian immediately if this occurs.

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