d. Using the assumption that 1gram of water is 1mL of volume, what is the volume in Liters of O2 that was obtained?

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Chapter1: Chemical Foundations
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Please help with question d
1.
2.
d.
e.
C.
Prelab-Determination
of Gas Law Constant R
Set up your Chem 105 lab kit tub and fill it up. Be sure to let it sit overnight
so the temperature stabilizes to room temperature. Tap water can go in
this tub.
A student performed the experiment as described, using 5.00 mL of an
aqueous 3.00% H₂O2 solution, with a density of 1.101 g/mL. The water
temperature was 24.0 °C, and the barometric pressure was 29.34 inches
of Hg. The weights of the gas-collection bottle and water were:
partially full
full
b.
a.
Calculate the atmospheric pressure of your environment in
mmHg from a weather barometric reading.
linch=25.4mm
29.34 in Hgx-
248.25g
306.03g
25.4mm=745.236 mm Hg
lin
Atmospheric pressure = 745mmHg
Calculate the pressure exerted by the collected O2 at the
water temperature. Ptotal Po,+PHo and the vapor pressure of
H₂O at 24 °C = 22.4 mm Hg)
Po₂ = Protal-PH₂D
Poz=745.236 mm Hg -22.4mm Hg
Poz=722.836 mmHg
Pressure of O₂ = 723 mm Hg
Convert this pressure to atmospheres OR kPa.
1 atm = 760 mm Hg
723 mmHg x
atm
= 0.95latm
760 mmHg
Pressure in atmospheres=0.951 atm
Using the assumption that 1gram of water is 1mL of volume, what is the
volume in Liters of O2 that was obtained?
Convert the water temperature, in Celsius, to Kelvin.
K=C+273.15
24°c +273.15-297.15 k
Transcribed Image Text:1. 2. d. e. C. Prelab-Determination of Gas Law Constant R Set up your Chem 105 lab kit tub and fill it up. Be sure to let it sit overnight so the temperature stabilizes to room temperature. Tap water can go in this tub. A student performed the experiment as described, using 5.00 mL of an aqueous 3.00% H₂O2 solution, with a density of 1.101 g/mL. The water temperature was 24.0 °C, and the barometric pressure was 29.34 inches of Hg. The weights of the gas-collection bottle and water were: partially full full b. a. Calculate the atmospheric pressure of your environment in mmHg from a weather barometric reading. linch=25.4mm 29.34 in Hgx- 248.25g 306.03g 25.4mm=745.236 mm Hg lin Atmospheric pressure = 745mmHg Calculate the pressure exerted by the collected O2 at the water temperature. Ptotal Po,+PHo and the vapor pressure of H₂O at 24 °C = 22.4 mm Hg) Po₂ = Protal-PH₂D Poz=745.236 mm Hg -22.4mm Hg Poz=722.836 mmHg Pressure of O₂ = 723 mm Hg Convert this pressure to atmospheres OR kPa. 1 atm = 760 mm Hg 723 mmHg x atm = 0.95latm 760 mmHg Pressure in atmospheres=0.951 atm Using the assumption that 1gram of water is 1mL of volume, what is the volume in Liters of O2 that was obtained? Convert the water temperature, in Celsius, to Kelvin. K=C+273.15 24°c +273.15-297.15 k
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