Answer: There are
moles
present in
particles.
Explanation:
According to the mole concept, 1 mole of a substance contains
particles.
Hence, number of moles present in
particles are calculated as follows.
No. of moles =
mol
=
mol
Thus, there are
moles
present in
particles.
Answers:
25. Earth's galaxy
26. The asteroid belt
27. Copernicus
28. Ptolemy
if this helped brainliest
Answer:
physical
Explanation:
Common changes of state include melting, freezing, sublimation, deposition, condensation, and vaporization. I hope this helps. :)
No reaction would occur because copper is more active than silver and silver would be unable to donate electrons to copper.
Answer:
b. Cardiac muscles.
Explanation:
These muscles are very thick in order to pump oxygenated blood to all body parts.
