SABIC CHEM 101 Chapter 5 - Part 6

SABIC CHEM 101 Chapter 5 - Part 6 - Quiz
Review 
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Unformatted text preview: Quiz
Review 
 Quiz
Review 
 Quiz
Review 
 Collec.ng
Gas
over
Water 
 Chemical reaction generates gas, measured by H2O displacement The vapor pressure of water depends on T (21 torr at 22 oC). Ptotal = Pgas + Pwater Worked
Example 
 Worked
Example 
 Worked
Example 
 Worked
Example 
 Worked
Example 
 Example 
 Example 
 Sodium
metal,
when
added
to
water,
generates
hydrogen
gas
and
sodium
 hydroxide.

If
a
small
sample
of
sodium
metal
is
added
to
water,
and
the
gas
 collected
over
water
at
20
oC
and
1.00
atm
totals
253ml,
(1)
how
many
moles
of
 hydrogen
are
generated?

(2)
What
was
the
mass
of
sodium
metal
consumed?

 













(At
20
oC
the
vapor
pressure
of
water
is
17.5
torr.)

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This note was uploaded on 10/13/2011 for the course CHEM 101 taught by Professor Fitts during the Fall '08 term at UPenn.

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