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hammer [34]
2 years ago
14

He diagram shows a device that uses radio waves.

Chemistry
2 answers:
babymother [125]2 years ago
7 0

Answer:

Your answer is B. Capture, amplify and demodulate waves.

Explanation:

matrenka [14]2 years ago
3 0

Answer:

b

Explanation:

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Significant figures are an indicator of the certainty in measurements true or false?
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What is the mass (grams) of salt in 10.0 m' of ocean water? ball park-4x10's (1.000 molsalt -58.44 g salt, 1.0 L ocean water -0.
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Answer:

3.5 × 10⁵ g of salt

Explanation:

<em>What is the mass (grams) of salt in 10.0 m³ of ocean water?</em>

We have this data:

  • 1.000 mol salt is equal to 58.44 g salt
  • 1.0 L of ocean water contains 0.60 mol of salt

We will need the following relations:

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We can use proportions:

10.0m^{3} .\frac{10^{3}dm^{3}  }{1m^{3} } .\frac{1L}{1dm^{3} } .\frac{0.60molSalt}{1.0L} .\frac{58.44gSalt}{1molSalt} =3.5 \times 10^{5} gSalt

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Explanation:

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mass number of B = 17 + 18 = 35

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(c) A+ + B- → AB (the first plus sign and the minus sign are superscripts)

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