Answer:
B. An astronaut in a spaceship
<u>Isolated</u><u> </u><u>system</u><u> </u><u>:</u><u>-</u>
In an isolated system, there is no transfer of energy or matter between the system and the environment.
Hope it helps!
You will need wire cutters to remove just a little bit of insulation it should only be a few centimeters(remove from both sides).Then make sure to wrap the wire neatly around the nail.The more wire you put the stronger your magnet is.
-Detor
Answer:
no. of moles = measured mass of substance/ molar mass of the constituted elements
Explanation:
No. of moles of 2.0g NaCl= 2/(23+35.5) = 0.034mol
Answer:
4+3=3+3+2
Explanation:
4Ni(oh)3+3pb(so4)2=3pb(oh)4+2Ni2(so4)3
