How many moles of each element are in one mole of Be(OH)2? 1 mole of beryllium, 1 mole of oxygen, 2 moles of hydrogen
1 mole of beryllium, 2 moles of oxygen, 2 moles of hydrogen
2 moles of beryllium, 2 moles of oxygen, 2 moles of hydrogen
2 moles of beryllium, 1 mole of oxygen, 1 moles of hydrogen

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds