Ideal Gas Law An archaeologist found a chunk of metal and send it to a chemical laboratory for analysis. Preliminary chemical analysis of the metal found it to be trivalent and reactive with strong acids. Henry, a laboratory analyst, took 0.194 g of the metal to determine its identity using the ideal gases experiment. The results of the experiment are reported as follows in his lab notebook: urununun Determination of Unknown Metal Using Ideal Gas Experiment mass of unknown metal: 0.194 g barometric pressure (Pbar ): 745 torr Pressure of water vapor: 26.7 torr Temp.: 27 °C Volume of trapped gas: 148 ml height difference of water levels: 11.29 cm a. Write the general balanced chemical equation for the reaction of the unknown metal and hydrochloric acid. Denote the unknown metal as M b. What is the pressure, in torr, of the trapped gas? c. What is the pressure, in torr, of the dry gas?
Ideal Gas Law An archaeologist found a chunk of metal and send it to a chemical laboratory for analysis. Preliminary chemical analysis of the metal found it to be trivalent and reactive with strong acids. Henry, a laboratory analyst, took 0.194 g of the metal to determine its identity using the ideal gases experiment. The results of the experiment are reported as follows in his lab notebook: urununun Determination of Unknown Metal Using Ideal Gas Experiment mass of unknown metal: 0.194 g barometric pressure (Pbar ): 745 torr Pressure of water vapor: 26.7 torr Temp.: 27 °C Volume of trapped gas: 148 ml height difference of water levels: 11.29 cm a. Write the general balanced chemical equation for the reaction of the unknown metal and hydrochloric acid. Denote the unknown metal as M b. What is the pressure, in torr, of the trapped gas? c. What is the pressure, in torr, of the dry gas?
Ideal Gas Law An archaeologist found a chunk of metal and send it to a chemical laboratory for analysis. Preliminary chemical analysis of the metal found it to be trivalent and reactive with strong acids. Henry, a laboratory analyst, took 0.194 g of the metal to determine its identity using the ideal gases experiment. The results of the experiment are reported as follows in his lab notebook: urununun Determination of Unknown Metal Using Ideal Gas Experiment mass of unknown metal: 0.194 g barometric pressure (Pbar ): 745 torr Pressure of water vapor: 26.7 torr Temp.: 27 °C Volume of trapped gas: 148 ml height difference of water levels: 11.29 cm a. Write the general balanced chemical equation for the reaction of the unknown metal and hydrochloric acid. Denote the unknown metal as M b. What is the pressure, in torr, of the trapped gas? c. What is the pressure, in torr, of the dry gas?
Transcribed Image Text:Ideal Gas Law
for analysis. Preliminary chemical analysis of the metal found it to be trivalent and reactive with strong
acids. Henry, a laboratory analyst, took (0.194 g of the metal to determine its identity using the ideal gases
experiment. The results of the experiment are reported as follows in his lab notcbook:
An archaeologist found a chunk of metal and send it to a chemical laboratory
Determination of Unknown Metal Using Ideal Gas Experiment
mass of unknown metal: 0.194 g
barometric pressure (Pbar ): 745 tor
Pressure of water vapor: 26.7 torr
Temp.: 27 °C
Volume of trapped gas: 148 ml
height difference of water levels: 11.29 cm
a. Write the general balanced chemical equation for the reaction of the unknown metal and
hydrochloric acid. Denote the unknown metal as M
b. What is the pressure, in torr, of the trapped gas?
c. What is the pressure, in torr, of the dry gas?
d. How much moles of hydrogen gas are produced by the reaction? Assuming that the strong acid was
in excess.
e. What is the identity of the unknown metal M? Assume that the metal is pure. Show your solution.
Definition Definition Any of various laws that describe the ways in which volume, temperature, pressure, and other conditions correlate when matter is in a gaseous state. At a constant temperature, the pressure of a particular amount of gas is inversely proportional with its volume (Boyle's Law) In a closed system with constant pressure, the volume of an ideal gas is in direct relation with its temperature (Charles's Law) At a constant volume, the pressure of a gas is in direct relation to its temperature (Gay-Lussac's Law) If the volume of all gases are equal and under the a similar temperature and pressure, then they contain an equal number of molecules (Avogadro's Law) The state of a particular amount of gas can be determined by its pressure, volume and temperature (Ideal Gas law)
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