Which choice best describes a cation?

Which choice best describes a cation? They’re positively charged because they lost an electron: best describes cation. This answer has been confirmed as correct and helpful. Is calcium fluoride an ionic compound? Calcium fluoride (CaF2) is an insoluble ionic compound composed of Ca2+ and F− ions. It occurs naturally as the mineral “Fluorite” (also called […]

How is flow rate related to radius?

How is flow rate related to radius? To put this relationship into words: At a given temperature, flow rate through a tube or pipe is inversely proportional to the length of the tube the viscosity of the liquid. Flow rate is directly proportional to the pressure gradient and the fourth power of the radius of […]

What is negative control vs positive control?

What is negative control vs positive control? A negative control is a control group in an experiment that uses a treatment that isn’t expected to produce results. A positive control is a control group in an experiment that uses a treatment that is known to produce results. Who has the best drinking water in the […]

How does the rain shadow effect affect climate?

How does the rain shadow effect affect climate? The mountains block most precipitation from falling in the valley, creating a dry climate where few plants grow. A rain shadow is a patch of land that has been forced to become a desert because mountain ranges blocked all plant-growing, rainy weather. On one side of the […]

Do divers breathe oxygen?

Do divers breathe oxygen? Contrary to popular belief, scuba divers don’t only breathe oxygen underwater. After all, we don’t breathe pure oxygen above water either. Divers go way deeper and explore much longer with mixtures such as nitrox, heliox, and hydrox as these are safer alternatives to simple compressed air. Can oxygen get you high? […]

Will a Jump Starter start a dead battery?

Will a Jump Starter start a dead battery? A car jump starter with 500 cold-cranking amps should be able to start just about any vehicle with a dead battery. What happens if you try to jump a car wrong? When the jumper cables are incorrectly connected, the polarity of the electrical system on the vehicle […]

Why did they ban incandescent bulbs?

Why did they ban incandescent bulbs? But the US energy department said banning incandescent bulbs would be bad for consumers because of the higher cost of more efficient bulbs. The Department of Energy said it had withdrawn the ban because it was a misinterpretation of the 2007 Energy Independence and Security Act. Are CFLs being […]

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