Which part(s) of a telephone involves the conversion of sound waves to electrical signals?
a)...
Chemistry, 03.02.2020 01:57 dereklilgoat
Which part(s) of a telephone involves the conversion of sound waves to electrical signals?
a) the microphone
b) neither the speaker nor the microphone
c) the speaker
d) both the speaker and the microphone
Answers: 2
Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
Chemistry, 23.06.2019 05:30
For the reaction i2(g)+br2(g)โโโ2ibr(g), kc=280 at 150 โc. suppose that 0.450 mol ibr in a 2.00-l flask is allowed to reach equilibrium at 150 โc. what is the equilibrium concentration of 2ibr, i2, br2
Answers: 1
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