50 POINTS How does it seem that mechanical kinetic and potential energy are related?
2 answers:
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Answer:
Explanation:
a. CuO+ 2HCl⇒CuCl2+ H2O
b. =
= 0,05 (mol)
⇒=
=0,05 mol
⇒= 0,05×135=6,75 (g)
c. =2×
=0,1 (mol)
⇒= 0,1×36,5= 3,65 (g)
⇒=
×100=36,5 (g)
⇒ Nồng độ phần trăm dd sau phản ứng= Nồng độ % dd CuCl2=×100=
×100≈ 16,67%
Answer:
A typical human eye will respond to wavelengths from 390 to 710 nm (in vacuum or air). In terms of frequency this corresponds to a band in the vicinity of 420–790 THz.