H₂ = 2 g/mol
1 x 2 = 2 g of H₂
________________________
K = 39.09 g/mol
2 x 39.09 = 78.18 g of K
________________________________
Mg = 24.3 g/mol
3 x 24.3 = 72.9 g of Mg
_________________________________
He = 4 g/mol
4 x 4 = 16 g of He
___________________________________
Order : K , Mg , He and H₂
hope this helps!
A) James Cook.
B) He put his sailors on a strict diet to see if they would get scurvy.
C) Sauerkraut.
D) He told others of this diet and that none of his sailors died of scurvy.
E) Chemicals can be found almost anywhere and almost anyone can be a scientist.
Answer:
2450 cm3
Explanation:
Volume of cylinder = V=πr2h
2.45L = 2450mL
1mL = 1 cm cubed
2450mL = 2450 cm cubed
A)→ Haze surrounding a nucleus
B)→ Created by solar wind.
C)→ Hypothetical sphere around the solar system
