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3 years ago

Why does boiling water in a large pot on a stove have a temperature of 100°C even if it has been boiling for an hour?

Chemistry

2 answers:

Pani-rosa [81]3 years ago

5 0

Answer:

The heat energy that is added to the water is used to vaporize the water rather than raise its temperature.

Explanation:

The boiling point of water is 100 °C, which means that when water reaches this temperature, it will vaporize rather than rise in temperature. Under normal conditions, the temperature of water cannot rise above 100 °C.

Arisa [49]3 years ago

3 0

Because 100 degrees is the boiling point, the water boils and becomes steam at that point. So the water that was higher than 100 degrees actually became steam, which is why the water in the pot is tops off at 100 degrees.

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Calculate the density of CO2 in g/cm3 at room temperature(25 degrees Celsuis) and pressure(1 atm) assuming it acts as an ideal g

Readme [11.4K]

Answer:

$density=1.8x10^{-3}g/mL$

Explanation:

Hello,

Considering the ideal equation of state:

$PV=nRT$

The moles are defined in terms of mass as follows:

$n=\frac{m}{M}$

Whereas $M$ the gas' molar mass, thus:

$PV=\frac{mRT}{M}$

Now, since the density is defined as the quotient between the mass and the volume, we get:

$P=\frac{m}{V} \frac{RT}{M}$

Solving for $m/V$ :

$density= m/V=\frac{PM}{RT}$

Thus, the result is given by:

$density=\frac{(1atm)(44g/mol)}{[0.082atm*L/(mol*K)]*298.15K} \\density=1.8g/L=1.8x10^{-3}g/mL$

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Alexandra [31]

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