PLEASE HELP!! Two friends at different locations want to communicate with each other by sending low energy signals. Which of the
following methods can they use to communicate?
a) Produce x‒rays using colliding electrons and send them to radios, which capture sound.
b) Send messages using infrared radiations, which travel in the form of waves.
c) Send radio waves through intervening media like radio and television.
d) Produce sound waves using microwaves from heated objects.
2 answers:
I think the correct answer is C I’m not sure
the answer is C. Send radio waves through intervening media like radio and television.
this is because you cant hear voices through infrared waves, x-rays, and heating up objects. that make no sense.
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Answer:
the answer would be D
Explanation:
Answer:
The answer is "
"
Explanation:
Please find the complete question in the attached file.
Equation:
at 
at equilibrium 
![p= 0.47 \ \ atm\\\\SO_2=3.3-0.47 = 2.83 \ \ atm\\\\O_2= 0.74 -\frac{0.47}{2}=0.74-0.235=0.555 \ atm\\\\K_P=\frac{[PSO_3]^2}{[PSO_2]^2[PO_2]}\\\\](https://tex.z-dn.net/?f=p%3D%200.47%20%5C%20%5C%20atm%5C%5C%5C%5CSO_2%3D3.3-0.47%20%3D%202.83%20%5C%20%5C%20atm%5C%5C%5C%5CO_2%3D%200.74%20-%5Cfrac%7B0.47%7D%7B2%7D%3D0.74-0.235%3D0.555%20%5C%20atm%5C%5C%5C%5CK_P%3D%5Cfrac%7B%5BPSO_3%5D%5E2%7D%7B%5BPSO_2%5D%5E2%5BPO_2%5D%7D%5C%5C%5C%5C)
The answer is the Car Traveling North... According to me
Answer:
Molar mass of
N
2
=
28 g/mol
Moles of
40.5 g N
2
gas
=
40.5 g
28 g/mol
=
1.45 mol
1 mol
of any gas at
STP
occupies
22.4 L
of volume.
1.45 mol
of
N
2
gas will occupy
1.45
mol
×
22.4 L
1
mol
=
32.48 L
Bonjour,
increasing temperature.
for many solids dissolved in liquid water, the solubility increases with temperature.
