the table above provides the values for some physical properties of h2s and h2o . approximately, how many moles of h2s must be condensed to release as much heat as would be released when 1 mole of h2o is condensed? responses

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Answer 1

In order to generate the same amount of heat as 1 mole of H2O, approximately 2 moles of H2S must be condensed.

A colourless gas noted for its strong "rotten egg" smell at low concentrations is hydrogen sulphide. It is exceedingly poisonous and combustible.

Compared to hydrogen sulphide, one mole of water requires about 40.7 kJ/mol of enthalpy to vaporise.

To produce the same amount of heat, more hydrogen sulphide must condense into water. Because water has a higher enthalpy of vaporisation than hydrogen sulphide, this happens.

Hence, around two moles of hydrogen sulphide will give the heat produced as one mole of water produces.

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the table above provides the values for some physical properties of h2s and h2o . approximately, how many moles of h2s must be condensed to release as much heat as would be released when 1 mole of h2o is condensed? responses

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IS ANYONE GOOD AT CHEMISTRY?? I need help pleaseeeee

I need the answers on how to get the answer for scratch work to turn in

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the wavelength of a single photon of UV-A electromagnetic radiation that possesses an energy of 6.2 x 10^-19 J is approximately 3.210 x 10^-5 cm. The option closest to this answer is 3.2 x 10^-5 cm.

explain about energy ?

The energy E of a photon is related to its wavelength λ by the following formula:

E = h * c / λ

where h is the Planck's constant, c is the speed of light in a vacuum, and λ is the wavelength of the photon.

We are given the energy of a single photon of UV-A electromagnetic radiation as 6.2 x 10^-19 J. The values of h and c are:

h = 6.626 x 10^-34 J s

c = 2.998 x 10^8 m/s (the speed of light in a vacuum)

To convert the wavelength to centimeters, we can use the conversion factor of 1 m = 100 cm.

Now we can rearrange the formula to solve for the wavelength λ:

λ = h * c / E

Substituting the given values, we get:

λ = (6.626 x 10^-34 J s) * (2.998 x 10^8 m/s) / (6.2 x 10^-19 J)

λ = 3.210 x 10^-7 m = 3.210 x 10^-5 cm (after conversion)

Therefore, the wavelength of a single photon of UV-A electromagnetic radiation that possesses an energy of 6.2 x 10^-19 J is approximately 3.210 x 10^-5 cm. The option closest to this answer is 3.2 x 10^-5 cm.

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experts estimate that the current atmospheric concentration of carbon dioxide is how much higher than it was 250 years ago?

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The current atmospheric concentration of carbon dioxide is 40 in 250 years ago

Long-term changes to weather patterns and temperatures are a result of climate change.

The use of fossil fuels (such as coal, oil, and gas), which release heat-trapping gases, has been the primary cause of climate change since the 250s, despite the fact that these changes are natural.

Global warming is the long-term increase in the planet's average temperature.

Even while there has been a long-term warming trend, the usage of fossil fuels over the past century has caused the pace of acceleration to increase.

The usage of fossil fuels has expanded along atmospheric concentration with the global population.

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