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tankabanditka [31]
3 years ago
9

What kind of waves do cellar telephones use to transmit amend recive signals

Chemistry
1 answer:
adelina 88 [10]3 years ago
4 0
The answer is microwave
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kondaur [170]

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theory is diffrent from law

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a Theory can never be proven to be true nd a law can usually be expressed

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The first-order decay of radon has a half-life of 3.823 days. How many grams of radon remain after 7.22 days if the sample initi
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substitute: <span><span>t<span>1/2</span></span>=<span><span>ln(2)</span>k</span>→k=<span><span>ln(2)</span><span>t<span>1/2</span></span></span></span> Into the appropriate equation: <span>[A<span>]t</span>=[A<span>]0</span>∗<span>e<span>−kt</span></span></span> <span>[A<span>]t</span>=[A<span>]0</span>∗<span>e<span>−<span><span>ln(2)</span><span>t<span>1/2</span></span></span>t</span></span></span> <span>[A<span>]t</span>=(250.0 g)∗<span>e<span>−<span><span>ln(2)</span><span>3.823 days</span></span>(7.22 days)</span></span>=67.52 g</span>

6 0
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Dissolution of wax in kerosene
yanalaym [24]

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the first answer is correct don't forget you can use quizzlet app to

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Water freezing is an exothermic process? tue or false
Aliun [14]

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Novay_Z [31]

Hey there!

Kinetic energy means that something is in motion.

Therefore, the answer would be B. Bird in flight because it’s the only choice that suggests is moving.

Hope this helps!

God bless ❤️

xXxGolferGirlxXx

3 0
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