Answer:
E = hf
E = hc/lamda
where E-energy,
h-planck's constant (6.62 x 10^-34 Js)
f- frequency ( f = c/lamda)
c-velocity of light ( 3 x 10^8 m/s)
lamda- wavelength
you can this formula to solve all the 4 questions.
11 with pemdas, you have to multiply all by 3
Answer:
answer is a since solute dissolve a solvent to give a solution
You can have as many controls as necessary, But they must remain equal at all times in order to get the most accurate results
