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Ad libitum [116K]
3 years ago
13

What causes climate change?

Chemistry
2 answers:
Anastaziya [24]3 years ago
6 0
The so-called greenhouse gases. The one most of us know is carbon dioxide, although I guess there are even more dangerous matters in there.
maw [93]3 years ago
3 0
<span>Earth’s temperature depends on the balance between energy entering and leaving the planet’s system . When incoming energy from the sun is absorbed by the Earth system, Earth warms. When the sun’s energy is reflected back into space, Earth avoids warming. When energy is released back into space, Earth cools. Many factors, both natural and human, can cause changes in Earth’s energy balance, including:</span> <span> View enlarged image <span>Models that account only for the effects of natural processes are not able to explain the warming over the past century. Models that also account for the greenhouse gases emitted by humans are able to explain this warming.
Source: USGRCP (2009) </span> </span> Changes in the greenhouse effect, which affects the amount of heat retained by Earth’s atmosphereVariations in the sun’s energy reaching EarthChanges in the reflectivity of Earth’s atmosphere and surface

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1.73 M

Explanation:

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2 years ago
How many moles of solute would be dissolved in .500 kg of solvent to make a 2.50 molal NaOH solution?
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Molality is a measure of concentration that relates the moles of solute to the kilograms of solvent, it is described by the following equation:

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We are given the molality(2.50m) and kilograms of solvent(0.500kg), so we solve for moles of solute from the equation:

molSolute=Molality\times kgSolvent\begin{gathered} molSolute=2.50m\times0.500kg \\ molSolute=1.25molSolute \end{gathered}

To make a 2.50molal NaOH solution would be needed 1.25moles of solute

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