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Lynna [10]
4 years ago
15

What energy is needed to make evaporation happen

Chemistry
1 answer:
Stella [2.4K]4 years ago
8 0
Heat energy is needed for evaporation to happen.
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When the kinetic energy of particles in liquid increases, the particles are pushed farther apart. This can result in the expansion of matter. More pressure will be exerted on the container in which this liquid is stored.

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1. In order to muffle sounds in a room, people will often put soft materials on the walls or floor, such as carpet or fabric wal
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You are in the laboratory and are performing a nucleophilic substitution reaction. You do not know the structure of the starting
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3 years ago
A container of carbon dioxide (CO2) has an initial temperature of 170 K with a pressure of 50 kPa. When the container is heated
Juliette [100K]

Answer:

\boxed{\text{D. 962 K}}

Explanation:

The volume and number of moles are constant, so we can use Gay-Lussac’s Law:

At constant volume, the pressure exerted by a gas is directly proportional to its temperature.

\dfrac{p_{1}}{T_{1}} = \dfrac{p_{2}}{T_{2}}

Data:

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p₂ = 283 KPa; T₂ = ?

Calculations:

\begin{array}{rcl}\dfrac{50}{170} & = & \dfrac{283}{T_{2}}\\\\0.294 & = & \dfrac{283}{T_{2}}\\\\0.294T_{2} & = & 283\\\\T_{2} & = &\dfrac{283}{0.294}\\\\ & = &\textbf{962 K}\\\end{array}\\\text{The final temperature of the carbon dioxide is }\boxed{\textbf{962 K}}

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4 years ago
How was the first periodic table of the elements organized?
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