m = mass of the truck traveling = 2500 kg
v = speed of the truck traveling = 75 km/h = 75 (km/h) (1000 m/ 1 km) (1 h /3600 sec) = 20.83 m/s
h = plank's constant = 6.63 x 10⁻³⁴
λ = wavelength of truck = ?
according to de broglie's principle, wavelength of truck is given as
λ = h/(mv)
inserting the values in the above equation
λ = (6.63 x 10⁻³⁴)/((2500) (20.83))
λ = 1.3 x 10⁻³⁸ m
Answer:
374 atoms would be present in 22 units of aluminum sulfate.
Explanation:
Formula for Aluminium Sulfate : Al₂(SO₄)₃
Al = 2
S = 1
O = 4
(SO) = 3
∴ Number of atom in one unit is : 2 + (1+4)3 ==> 17
If there are 17 atoms in one unit, therefore;
Number of atoms in 22 units = 17 x 22
= 374 atoms
Answer:
oo it's from chemistry
Explanation:
I am little week in chemistry so sorry
An electromagent is being shown. Because the picture is showing how to put the lightnulb in and where it is
