Extreme cold which is usually produced by liquid nitrogen. Hope that helps!
Answer:
No, he is not.
Explanation:
When he let the rubber band go, the band compresses, so there's elastic potential energy in it, which will be transformed into kinetic energy when it gains velocity and flies across the room.
Then, Elias had inverted the concepts: the experiment demonstrates the transformation of elastic potential energy to kinetic energy.
Weight of Fe=2*55.8=111.6
[Because in the balanced reaction there are two moles of Fe]
Weight of FeCl3=(2*((55.8)+(3*35.5)))= 253.6
[weight of Cl is 35.5]
2Fe + 3Cl2-----> 2FeCl3
111.6g 253.6g
15.3 g ?
Cross multiply
Weight of FeCl3=(253.6*15.3)/111.6=34.7g
if i did this right i believe the answer is 34.7g.
Answer:
The correct answer is Au, H
(Took the exam)
When neutron numbers are changed an ISOTOPE of the element is formed...
the atom becomes an ISOTOPE
