Which statements correctly describe sound ( select all that apply)
1 answer:
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Answer: The de broglie wavelength is .
Explanation:
Calculate as follows.
where,
h = plank's constant =
p = momentum =
Putting the values in the formula as follows.
=
=
Thus, the de broglie wavelength is .
Answer: Theoretical yield of produced by 8.96 g of S is 33.6 g
Explanation:
To calculate the moles :
The balanced chemical equation is:
According to stoichiometry :
2 moles of produce = 3 moles of
Thus 0.28 moles of will produce=
of
Mass of
Thus theoretical yield of produced by 8.96 g of S is 33.6 g