Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Pls ineed the answer of question 4 and 5 and 6
![Hodle exame
(umit 2)
O Number of atom in half a mole of(HelHoj equale
@Avogadro's number
AVogadro's number
@z Avogadro'ś number
O Calculate The number of mole of ivon ill oxide
FezOg Produce fram heating 45bglof Feso4
Fe =5b,S232,0 zlb]
2 FEB04
O 1.5 mel
O 2 md.
© 4 mel
doSmol.
Unbalance equation which The Coefficrents 2
O2,417,8-
@4,2,8,1
© 2,11,7,8 4,H,8,2
An Tomic Compouncl Composed 29.08% oksodium.
40,56%of sulphur and 30.3b% of exygen
whatis Formula of sulphur l'on in This Compound
=23,S=32,0=lb]
6 2 AL+bNaoH Na, Alo,t 3Hz
what The volume of hydrogen when 299e
(Al=24) veact wThexcess of NaoH?
22-4 L B44-8L
fob Aluminium.
@b7. 2 L @33.6h
Calculate The FreeZing Paint of tmel ammonium sulphate
-5.58°c
5-85°c
© 4-boc @5.4c
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Transcribed Image Text:Hodle exame
(umit 2)
O Number of atom in half a mole of(HelHoj equale
@Avogadro's number
AVogadro's number
@z Avogadro'ś number
O Calculate The number of mole of ivon ill oxide
FezOg Produce fram heating 45bglof Feso4
Fe =5b,S232,0 zlb]
2 FEB04
O 1.5 mel
O 2 md.
© 4 mel
doSmol.
Unbalance equation which The Coefficrents 2
O2,417,8-
@4,2,8,1
© 2,11,7,8 4,H,8,2
An Tomic Compouncl Composed 29.08% oksodium.
40,56%of sulphur and 30.3b% of exygen
whatis Formula of sulphur l'on in This Compound
=23,S=32,0=lb]
6 2 AL+bNaoH Na, Alo,t 3Hz
what The volume of hydrogen when 299e
(Al=24) veact wThexcess of NaoH?
22-4 L B44-8L
fob Aluminium.
@b7. 2 L @33.6h
Calculate The FreeZing Paint of tmel ammonium sulphate
-5.58°c
5-85°c
© 4-boc @5.4c
CamScanner - W gis do guuaa
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