Explanation:
1 miole of Fe2O is 6.22 × 10^-23
5mole of Fe2O = 5×6.22×10^-23
=31.1×10^-23
Answer:
The Correct Answer is A and C.
Explanation:
- The wind is the movement of air, the movement of air is happened by the difference in pressure.
- A difference in air pressure is what causes the wind to blow. Difference in pressure is happened by the uneven heating of the earth's surface.
- The wind is normally moving air from a high air pressure place to a low air pressure place.
- The greater the difference in air pressure the stronger the wind blow.
The constellation Orion appears in the eastern sky in December. Where would you expect it to appear in March? .. If Orion is visible in the eastern night sky in December, then it will be visible in the western night sky in March due to the Earth's rotation.