1. Identify the following as examples of chemical or physical changes. glass melting a. b. milk being made into cheese a dentist drilling a tooth C. d. ironing a shirt a newspaper yellowing in the sun e.

Introductory Chemistry: An Active Learning Approach
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Chapter2: Matter And Energy
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Problem 78E: A particulate-level illustration of the reaction AB+CDAD+CB is shown below. a Identify the reactants...
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CHEMISTRY 3A --- WORKSHEET 7
CHАPТER 4
1.
Identify the following as examples of chemical or physical changes.
glass melting
a.
b.
milk being made into chcese
C.
a dentist drilling a tooth
d.
ironing a shirt
a newspaper yellowing in the sun
e.
2.
Balance the following equations.
FeS3 +
HCI
FeCl3
H2S
a.
b.
CHs
CO2 +
H20
C.H60
O2
CO2 +
c.
H20
feel
by Wacom
Transcribed Image Text:CHEMISTRY 3A --- WORKSHEET 7 CHАPТER 4 1. Identify the following as examples of chemical or physical changes. glass melting a. b. milk being made into chcese C. a dentist drilling a tooth d. ironing a shirt a newspaper yellowing in the sun e. 2. Balance the following equations. FeS3 + HCI FeCl3 H2S a. b. CHs CO2 + H20 C.H60 O2 CO2 + c. H20 feel by Wacom
For cach of the following reactions, show the products that would be expected to
form and balance the equation. Be sure to label the state of cach substance, e.g.
3.
(s), (aq), etc. If no reaction would occur, simply write N.R.
NH.Clag) + Ba(NO:)2(ag)
a.
b.
NazPO4(aq)
+ Fe(NO3)2(aq)
+ AGNO3(aq)
с.
d.
Sodium iodide + lead(II) nitrate
O 8 A 10:17
Transcribed Image Text:For cach of the following reactions, show the products that would be expected to form and balance the equation. Be sure to label the state of cach substance, e.g. 3. (s), (aq), etc. If no reaction would occur, simply write N.R. NH.Clag) + Ba(NO:)2(ag) a. b. NazPO4(aq) + Fe(NO3)2(aq) + AGNO3(aq) с. d. Sodium iodide + lead(II) nitrate O 8 A 10:17
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