Kilometers, Meters and centimeters if metric
Feet, inches, yards and miles if customary ( u.s.)
22.4 molecules are in 4.48 liters of CO 2
3) molecular and structural
Explanation:
Molecular and structural are two terms that represents chemical formula of compounds and molecules.
The molecular formula shows the chemical symbols and the number of atoms combining using subscripts.
The structural formula gives the arrangement of elements in a compound and molecule using a diagrammatic approach.
learn more:
Molecular formula brainly.com/question/6125309
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Answer:
f = 0.83 ×10¹⁵s⁻¹
Explanation:
Given data:
Energy of ray = 5.5 ×10⁻¹⁹ J
Frequency = ?
Solution:
Formula:
E = hf
f = E/h
J = Kg . m².s⁻²
f = 5.5 ×10⁻¹⁹ Kg . m².s⁻² / 6.63 ×10⁻³⁴ m²Kg/s
f = 0.83 ×10¹⁵s⁻¹
