Answer:160j
Explanation:
PE=mgh
m=8kg
g=10N/kg
h=2m
PE=8*10*2
PE=160j
Answer:
3MgCl2 has 9 atoms.
The Element Magnesium (Mg) has 3 atoms.
The Element Chloride (Cl) has 6 attoms.
Their fore 6 + 3 is 9 of course. 3MgCl2 has 9 atoms.
BTW: 3MgCl2 is a molecular compound as well as H2O and CO2.
True :)
D 9.8 m/s^2
The force of gravitational gravity on earth is 9.8 m/s^2
this answer you question
