Answer:
-74.6 kj/mol
Explanation:
you can see the answer at the pic
Answer:
x
Explanation:
becaue neutron equal to mass num -atomic num
Homogeneous because everything is mixed together evenly.
Answer:
3.39 g.mL⁻¹ or 3.39 g.cm⁻³
Solution:
Data Given:
Mass of Pellet = 12.4 g
Volume of Pellet = 13.65 mL - 10.00 mL = 3.65 mL
Density = ?
Formula Used,
Density = Mass ÷ Volume
Putting values,
Density = 12.4 g ÷ 3.65 mL
Density = 3.39 g.mL⁻¹ or 3.39 g.cm⁻³