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nataly862011 [7]
3 years ago
9

Rusting Out. How Acids Affect the Rate of corrosion

Chemistry
1 answer:
AlekseyPX3 years ago
8 0
Acids change the rate Corrosion and increase its temperature. 
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Answer:

The particles in the substance become less active

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3 years ago
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A gas occupies 18.7 L at standard temperature. What is its volume at 200.5 °C
nexus9112 [7]

Answer:

32.4 L

Explanation:

Note 1:

The Standard Temperature and Pressure (STP) is  defined by IUPAC as air at 0 gradius Celcius and 1 bar.

Note 2:

The Ideal Gas Law is used for solving this problem.

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Please see the step-by-step solution in the picture attached below.

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4 years ago
Which has more
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Answer:

Bathtub

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Even though the water in a filled bathtub may be at the same temperature as water in a glass, the water in the bathtub has more thermal energy because it contains a greater number of water molecules.

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3 years ago
When an electron in an atom absorbed a photon, the energy of the electron changed by 2.94 x 10-19 J. What is the frequency of th
jok3333 [9.3K]

When an electron in an atom absorbed a photon, the energy of the electron changed by 2.94 × 10⁻¹⁹. The frequency of the photon is 4.4 × 10¹⁴ Hertz .

<h3>How to calculate the frequency of photon ?</h3>

To calculate the frequency of photon use the expression

E = hv

where,

E = Energy

h = Planck's Constant

v = frequency (Hz)

Put the value in above formula we get

E = hv

2.94 × 10⁻¹⁹ = 6.6 × 10⁻³⁴ × v

v = \frac{2.94 \times 10^{-19}\ J}{6.6 \times 10^{-34}}

  = 0.44 × 10¹⁵

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Thus from the above conclusion we can say that When an electron in an atom absorbed a photon, the energy of the electron changed by 2.94 × 10⁻¹⁹. The frequency of the photon is 4.4 × 10¹⁴ Hertz .

Learn more about the Plank's Constant here: brainly.com/question/27163891

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2 years ago
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The other option that would make the most sense would be electrons, however the mass of an electron is so small that is basically negligible, so it's not included in the atomic mass.
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4 years ago
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