when the top of the pencil moves in one direction, the bottom end on the ground will move in another, but due to the frictional force it will move by a lesser amount, and the center of mass of the pencil will be accelerated in the horizontal direction due to the force of friction
Answer:
O.2006 M
Explanation:
M1V1 =M2V2
M1 = M2V2/V1 =0.150M*32.1 ml/24.0 ml = 0.2006 M
1 mole of any gas will occupy 24dm^3 or 24000cm^3 as one mole of helium weighs 4g it will occupy just under 24000cm^3
Answer:
Thermal expansion is the tendency of matter to change its shape, area, and volume in response to a change in temperature.
Explanation:
The equation is already balanced
2AgNO3 + MgCl2 => 2AgCl + Mg(NO3)2