Answer:
Copper dicyanide CUPRIC CYANIDE Copper cyanide (Cu(CN)2) Cyanure de cuivre copper (II) cyanide More...
Explanation:
HOPE THIS HELPS :)
An atomic mass is the sum of the protons and neutrons of a given element. The atomic mass is given it what is called a weighted average of all the different kinds of that element. Take carbon for example. It has carbon-12, carbon-13, and carbon-14. The reason its atomic weight is so close to 12 (12.011 ish) is because carbon-12 is by far the most common, and carbon-13 and -14 are so uncommon, that the weighted average is close to 12, but not exactly 12.
Answer:
1.2 mol.
Explanation:
- We can calculate the number of moles of a substance using the relation:
n = mass / molar mass
n is the number of moles.
m is the mass in g <em>(m of NO = 35.0 g)</em>
Molar mass NO = 30.01 g/mol.
- n = mass / molar mass = (35.0 g) / (30.01 g/mol) = 1.166 mol ≅ 1.2 mol.
The correct answer is 2.99 helium atoms.
I hoped this helped!
Answer:
600 seconds, or 10 minutes
Explanation:
300m/ 0.5m = 600s
