Answer:
A. 2.4 x 10¹⁴ J
Explanation:
m (mass) = 2.7 x 10⁻³ kg
c = 3.0 x 10⁸ m/s
Plug these numbers into the equation E=mc²
E=mc²
E= (2.7 x 10⁻³)(3.0 x 10⁸)²
E= 2.43 x 10¹⁴
So, the answer is A. 2.4 x 10¹⁴ J.
Answer:
boron, aluminum, and gallium
Explanation:
They are in group 3A on the periodic table which means they have 3 valence electrons
Answer:
0.25 moles
Explanation:
The molar mass of NaOH is 40 g/mol.
This equals 0.25 moles