What is the chemical name of ch2? Methylene Why is CH2 called methylene? Methylene was used as the name for methanol, which is wood alcohol, CH3OH, in the early 19th century. Methylene comes from methe + hyde the latter being the Greek word for wood, so methylene would mean wine from wood. What is full […]
Is it more energy efficient to boil water?
Is it more energy efficient to boil water? An electric stove requires more energy and time to heat up, thus it takes longer to heat the water inside the kettle. However, an electric stove is more efficient in delivering energy to the kettle. Using boiling water and vinegar removes mineral deposits that reduce its energy […]
Why is it easier for humans to walk through air than liquid water?
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Does Salt raise boiling temp of water?
Does Salt raise boiling temp of water? When salt is added, it makes it harder for the water molecules to escape from the pot and enter the gas phase, which happens when water boils, Giddings said. This gives salt water a higher boiling point, she said. “The temperature of saltwater will get hotter faster than […]
Which rainforest layer gets the most sunlight?
Which rainforest layer gets the most sunlight? canopy What type of sunlight does the rainforest get? Tropical Rainforest: Plants Although tropical rainforests receive 12 hours of sunlight daily, less than 2% of that sunlight ever reaches the ground. The tropical rainforest has dense vegetation, often forming three different layers–the canopy, the understory, and the ground […]
Is freezing point depression positive or negative?
Is freezing point depression positive or negative? The change in the freezing point is proportional to the amount of solute added. This phenomenon is called freezing point depression. The change in the freezing point is defined as: ∆Tf = Tf,solution − Tf,solvent. ∆Tf is negative because the temperature of the solution is lower than that […]
Can aluminum be magnetized?
Can aluminum be magnetized? In our everyday experience aluminum doesn’t stick to magnets (neither does copper). Most matter will exhibit some magnetic attraction when under high enough magnetic fields. But under normal circumstances aluminum isn’t visibly magnetic. Why is stainless steel jewelry so cheap? Stainless steel not only mimics the look of fine, precious metal, […]
Which WiFi frequency is best?
Which WiFi frequency is best? Ideally, you should use the 2.4GHz band to connect devices for low bandwidth activities like browsing the Internet. On the other hand, 5GHz is the best suited for high-bandwidth devices or activities like gaming and streaming HDTV. What is the advantage of having WiFi in your car? Benefits of car […]
Why is light important for humans?
Why is light important for humans? Earth has been bathed with light from the Sun ever since; it is our most important source of energy. Sunlight warms us, causes weather patterns, allows plants to manufacture oxygen and our food from carbon dioxide and water, and it allows us to find our way around in the […]