What occurs during this reaction?
(1) Energy is absorbed as bonds are broken.
(2) Energy is absorbed as bonds are formed.
(3) Energy is released as bonds are broken.
(4) Energy is released as bonds arc formed.
Answer:Answer:
5.8
×
N
A
, where
N
A
=
Avogadro's Number,
6.022
×
10
23
⋅
m
o
l
−
1
Explanation:
And
5.8
⋅
m
o
l
×
6.022
×
10
23
⋅
m
o
l
−
1
=
?
?
What is the mass of this quantity of lithium atoms? Hint, 1 mole has a mass of
6.94
⋅
g
.
Explanation:
i hope this helps
Answer: The star's outer layers drifts away.
Explanation: When a star starts running out of fuel the pressure in the core becomes very high which pushes the outer layers of the star.
A sun like star becomes a red giant and after throwing away the mass, the core contracts to becomes a white dwarf.
A massive star becomes super-giant and then the core becomes a neutron star or a black-hole.
Answer:
The answer is d
Explanation: