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If $10.00 \mathrm{g}$ of water are introduced into an evacuated flask of volume $2.500 \mathrm{L}$ at $65^{\circ} \mathrm{C},$ calculate the mass of water vaporized. (Hint: Assume that the volume of the remaining liquid water is negligible; the vapor pressure of water at $65^{\circ} \mathrm{C}$ is $187.5 \mathrm{mmHg} .)$

$$0.400 \mathrm{g} \mathrm{H}_{2} \mathrm{O}$$

Chemistry 101

Chapter 5

Gases

University of Kentucky

University of Toronto

Lectures

05:03

In physics, a gas is one of the three major states of matter (the others being liquid and solid). A gas is a fluid that does not support tensile stress, meaning that it is compressible. The word gas is a neologism first used by the early 17th-century Flemish chemist J.B. van Helmont, based on the Greek word ("chaos"), the simplest of all the elemental forms of matter.

04:46

In physics, thermodynamics is the science of energy and its transformations. The three laws of thermodynamics state that energy can be exchanged between physical systems as heat and work; that the total energy of a system can be calculated by adding up all forms of energy in the system; that energy spontaneously flows from being localized to becoming dispersed, spread out, or uniform; and that the entropy of an isolated system not in equilibrium will tend to increase over time, approaching a maximum value at equilibrium.

02:18

If $10.00 \mathrm{g}$ of w…

02:53

A $1.20-g$ sample of water…

05:08

A 1.20 -g sample of water …

01:48

A quantity of liquid water…

This is problem 118 from chapter 11 and we're trying to calculate the mass of a polarized water. So we're used the ideal gas ball, so PB is equal to an arty and we have to calculating for more. Since that is one thing did not give us those could be rewritten and ash and is equal your PV over. Are she okay? So when we being right, that or a substitute the values And for these letters now a pressure Ah, 1 87.5 millimeters of mercury Multiply by the volume of your 2.5 leaders over the gas constant, which you have 64.37 millimeters and Rick replant hole. That's telling multiplied by temperature, which they give it 65 degrees. So she is someone converting to Calvin at 273. So will be 300. A guard Nate covering And when you saw for this rolled is kind of the equal two point zero to to most After that, we're gonna take this malls and we're going to multiply it by the molar mass of water and the role of massive water of 18 and that should come out to be point for grams of water. So that's how much water has been a big price.

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