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IRINA_888 [86]
2 years ago
15

As the Amplitude of the wave decreases what be does the frequency do​

Chemistry
1 answer:
Alexxx [7]2 years ago
4 0

Answer: pic of the test

Explanation:

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An unknown substance is heated from 10 °C to 25 °C. The table below shows the state of the substance at different temperatures.
bezimeni [28]

Answer:

Its melting point is 17 °C.

Explanation:

  • The melting point of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium.

<em>So, the melting point is 17 °C.</em>

And this is shown in the figure attached.

7 0
3 years ago
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Magnesium has three common isotopes.
sladkih [1.3K]

Answer:

Explanation:

percentage abundance of third isotope = 100 - ( 78.900 + 10.009)

= 11.091 %

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24.1687 x .789 + 25.4830 x .10009 + 24.305 x .11091  

19.069 + 2.5506 + 2.69566

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7 0
3 years ago
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dangina [55]

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sodium chloride

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3 years ago
Describe the distribution of mass within an atom
san4es73 [151]

Answer:

The nuclei of most atoms also contain neutrons . The masses of subatomic particles are very tiny. ... Since the nucleus contains protons and neutrons, most of the mass of an atom is concentrated in its nucleus. Protons and electrons have electrical charges that are equal and opposite.

4 0
3 years ago
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Write a balanced net ionic equation for the following reaction. BaCI2(aq)+H2SO4(aq) -&gt; BaSO4(s)+HCI (aq)
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Ba²⁺ + 2Cl⁻ + 2H⁺ + SO₄²⁻ = BaSO₄ (precipitate) + 2H⁺ + 2Cl⁻
Ba²⁺ + SO₄²⁻ = BaSO₄
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