we use 30g a year
Very few. Usually aluminum cans are used before being discarded. For example, they are filled with softdrink, then sold, and then discarded. So technically, not many aluminum cans are actually 'wasted' each year because they are 'used' in the first place.
Let's say the car cost $3,000. Cans are about ten cents each. It would take you 30,000 cans.
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90,000 cans are thrown away every minute by Americans ourselves.Sad, huh?
Roughly 3,300 empty (obviously) 12 oz. aluminum cans.
100
Flattening an aluminum can makes no difference to its weight. However, a bag full of flattened aluminum cans will weigh much more than a bag full of unflattened aluminum cans, simply because you can fit many more cans in the bag.
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It takes 20 times less energy to make a can from recycled aluminum, so, just counting the energy (ignoring the costs of mining and transport), you could make 320 cans out of recycled aluminum for the same cost as 16 cans from bauxite (aluminum ore).
Rounded: 30 cans.
A ton weighs 2,000 pounds, so 2 tons of cans weigh 4,000 pounds. If each bag holds 5 pounds of cans, they will need 4,000/5 = 800 bags of cans.
how many grams are in a mole of soda cans? show work