To pull up a bucket of water from a well, George pulled hard on a handle to wind up a rope. Which kind of energy was George appl
ying to the handle?
Question 7 options:
chemical energy
. frictional energy
potential energy
mechanical energy
2 answers:
choice is A. chemical energy
george used mechanical energy.
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Answer:
1
Explanation:
Ferric Hydroxide
3. 1
Fe. (OH)
Fe(OH)3
Answer:
B.111
Explanation:
Atomic mass = number of protons(or atomic number) + number of neutrons
186 = 75 + number of neutrons
number of neutrons = 186 -75 = 111
Moles He = 7.83 x 10^24 / 6.02 x 10^23 =13.0
<span>mass He = 13.0 mol x 4.00 g/mol = 52.0 g</span>
the pressure of the gas increases
