Report Sheet: Molar Volume of Oxygen Name Unknown # {RECORD:} 1) Weight of test tube 41.025 2) Weight of test tube with unknown L3.058 3) Weight of test tube with unknown and MnO, 13584 4) Weight of test tube with unknown and MnO, after heating,42.997843 s84-4213 5) *Weight of unknown before heating (2-1) 2,033 43.058-41.025 B43.658-43.025 =ュ033 +++++++++++++++++++++++++++++++. P++++ Volume 6) Volume of water in beaker D before heating_O 7) Volume of water in beaker D after heating O. 58924 Xuo5.5 8) Volume of Oxygen + Water gas (7-6) O,489621 0/2 6.48921 +++++++++++++++++++++++ ++++++++++++++++++++++ Temperature 9) Temperature of water in flask ++++++++++++++++++++++++ 295 22c 2っt273695K P+++++++++++++++++++++++++ Pressure 10)Atmospheric Pressure . 9750 11)Partial Pressure of Water at temperature in #9 .0 6 12)Pressure of Oxygen at temperature in #9 0.949 {Calculate:} 13) Moles of Oxygen gas O 0821 14) Molar Volume of Oxygen 25,7 32 15)Density of Oxygen 24 16) Grams of KCIO; in your unknown Q.0127 17) *Percent of KCIO3 in your unknown76,36 SHOW Calculations for #13-17 BELOW: atm+ _atm. xT LO Latm O.9750-0.028 3,940 mol HINT: PV=nRT /molO.4892-01/0.09%3D25.7 HINT: reaction XO.01g 1559 2.033 02 CP)- 0:949atm Vöf =0.4892L TempoF02= 295 gas = 0.0821Liatm /mol. PYcnRT 0.949atmx0.48921 08 Lam x295K Do the moles of oxygen in #13 match the moles from (#3-#4)? If not why? = 0.019
Report Sheet: Molar Volume of Oxygen Name Unknown # {RECORD:} 1) Weight of test tube 41.025 2) Weight of test tube with unknown L3.058 3) Weight of test tube with unknown and MnO, 13584 4) Weight of test tube with unknown and MnO, after heating,42.997843 s84-4213 5) *Weight of unknown before heating (2-1) 2,033 43.058-41.025 B43.658-43.025 =ュ033 +++++++++++++++++++++++++++++++. P++++ Volume 6) Volume of water in beaker D before heating_O 7) Volume of water in beaker D after heating O. 58924 Xuo5.5 8) Volume of Oxygen + Water gas (7-6) O,489621 0/2 6.48921 +++++++++++++++++++++++ ++++++++++++++++++++++ Temperature 9) Temperature of water in flask ++++++++++++++++++++++++ 295 22c 2っt273695K P+++++++++++++++++++++++++ Pressure 10)Atmospheric Pressure . 9750 11)Partial Pressure of Water at temperature in #9 .0 6 12)Pressure of Oxygen at temperature in #9 0.949 {Calculate:} 13) Moles of Oxygen gas O 0821 14) Molar Volume of Oxygen 25,7 32 15)Density of Oxygen 24 16) Grams of KCIO; in your unknown Q.0127 17) *Percent of KCIO3 in your unknown76,36 SHOW Calculations for #13-17 BELOW: atm+ _atm. xT LO Latm O.9750-0.028 3,940 mol HINT: PV=nRT /molO.4892-01/0.09%3D25.7 HINT: reaction XO.01g 1559 2.033 02 CP)- 0:949atm Vöf =0.4892L TempoF02= 295 gas = 0.0821Liatm /mol. PYcnRT 0.949atmx0.48921 08 Lam x295K Do the moles of oxygen in #13 match the moles from (#3-#4)? If not why? = 0.019
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.24QAP
Related questions
Question
100%
Do the miles of oxygen in #13 match the moles from ( #3, #4) if not why ?
I don’t know why help please
Transcribed Image Text:2) Weight of test tube with unknown_L3 3584
(43.058-41.025)
2,0339
Report Sheet: Molar Volume of Oxygen
Name
Unknown #
{RECORD:}
1) Weight of test tube 4.025
43:058-4:025
4) Weight of test tube with unknown and MnO2 after heating 42.99784338L-J2I34
843.668-41 025
3) Weight of test tube with unknown and MnO,
5) *Weight of unknown before heating (2-1) 2,033
++++++++++++++-
2.033
++++++++++++++++++++++++
Volume
6) Volume of water in beaker D before heating O
7) Volume of water in beaker D after heating O,58924C
8) Volume of Oxygen + Water gas (7-6) O,4892L (-612=0.,48921
++++++++++++++++++++++++
P+++++
+++++++++
Temperature
295
22c
22トコ73Ⅱ495K
9) Temperature of water in flask
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Pressure
10) Atmospheric Pressure . 9750
11) Partial Pressure of Water at temperature in #9_O.026
12)Pressure of Oxygen at temperature in #9 0.949
{Calculate:}
13) Moles of Oxygen gas O.0021
-14) Molar Volume of Oxygen a 7
atm +
_atm.9 XT1O
atm 0.9750-0 3.949
mol
HINT: PV=nRT
/molO.4892-01/0.09%3D25.7/m
g/L 0,G08/0,4892L.01
G 19X32 15) Density of Oxygen -24
HINT: reaction XO.0lg
16) Grams of KCIO3 in your unknown . Ol 27
17) *Percent of KCIO3 in your unknown_76,36
SHOW Calculations for #13-17 BELOW:
155g
み.033
02 CP)- 0:9499atm
Vöf Oa =0.4892L
Tempof 02 = 295
gas =0.0821Liatm /mol. h
PYcnRT
0.949atmx0.48921
の08 aTLafm
MOTRX295K
= 0.019
Do the moles of oxygen in #13 match the moles from (#3-#4)? If not why?
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