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On September 27, 2015, a rare total lunar eclipse of a supermoon occurred. A supermoon occurs when the entire lighted half of the Moon faces Earth (full Moon phase) and the Moon is at its closest point to Earth in its orbit.
Answer:
moles of water in 1 ml = 1/18 mol.
take 1 ml and calculate it by 30
1 ml x 30= 30 ml
Explanation:
Answer:
Explanation:
mass of copper = 200 g at temperature 100°C
mass of water = 1000 g at 20⁰C
Let the final temperature be T .
specific heat of copper = .385 J per gram
specific heat of water = 4.182 J per gram
heat lost = mass x specific heat x fall of temperature
heat lost by copper
= 200 x .385 x ( 100 - T )
heat gained by water
= 1000 x 4.182 x ( T - 20 )
heat lost by copper = heat gained by water
200 x .385 x ( 100 - T ) = 1000 x 4.182 x ( T - 20 )
7700 - 77 T = 4182 T - 83640
4259 T = 91340
T = 21.44⁰C .
