Number of mole s of H
2
= 0.25 moles
number of molecules = moles * Avogadro’s Number
number of molecules = 0.25×(6.022×10
23
)
number of molecules = 1.505×10
23
single molecule of hydrogen contains two H-atoms. So,
number of atoms = 2×(1.505×10
23
) = 3.01×10
23
Answer - C. Coal is ionically bonded together while diamonds are covalently bonded together.
The sea turtles eat most of the sea grass so other animals can not. Therefor increasing the competition for the sea grass
I think it’s d accumulation of mud in bays
A
glucose + oxygen = water +carbon dioxide + ATP energy
oxidation process losses electron so it is A
