1. An ore is a type of rock that contains minerals with important elements including metals. Explain how the metals are obtained or purified from the ore.2. What happens when you mix 3 mL of AgNo3 and 3 mL of K2CrO4 into a test tube?3. What happens after mixing the iodine solution with the petroleum ether? Where do you think is the iodine now?4. Why is it necessary to release the pressure in the separatory funnel after shaking the mixture?5. What do you think is the identity of the distillate? 6. Enumerate 2-3 factors that cause the components of ink to separate.7. What type of mixture can be separated using the centrifugation method?
The difference is how power is distributed to the wheels. All-wheel drive allows the torque to be applied to each wheel independently, and usually is always on. It allows a sophisticated computer system to allocate power to each wheel to maximize traction and steering. AWD is best for traction control on roads, and is not particularly useful for hardcore offroading/mudding. 4-wheel drive, however, typically ties all wheels together (called a limited-slip differential), and you can typically disengage/re-engage it. It works well for offroading, but isn't very effective on highways.
1. Reduction. Iron ore is Fe2O3 or Fe3O4. The ore is heated strongly with coke, which is carbon. 2Fe2O3(s) + 3C(s) 4Fe(l) + 3CO2(g) 2. You get a orange-brown precipitate of Ag2CrO4 3. You see two liquid layers. The petroleum ether is colored red from the dissolved iodine as the top layer and the water layer is water-white as the bottom layer. 4. Because the thin glass of the separatory funnel could burst and shatter; or some of the contents could be squirted out the tip when the stopcock is opened. 5., 6. Beats me. What did you distil? 7. Heterogeneous mixture of a liquid and a solid.
AWD is for ******* who can't drive in the winter without help. P.S. just because you have AWD, doesn't mean you don't have to stop on slippery surfaces like the rest of us.
All wheel drive is a system that provides power to all whells all the time. it cannot be disengaged. 4 whell drive typically is used in truck and comercial aplications or rugged SUVs. 4WD can be disengaged or selected at the client needs. Typical SUVs like Acura, Subaru, Mercede-Benz, are All wheel drive.
