AI Cu
Fe
Pb
mwater (g)
39.85
40.13
40.24
39.65
Use your data, the equation to the right, and the
specific heat of water (4. 184 J/g°C) to compute
the specific heat values of each metal. Use a
calculator and round to the nearest hundredth
place
Aluminum c =
390.J/g°C
Copper
]J/gºC
mmetal (g)
11.98
12.14
12.31
12.46
AT water (°C)
4.7
1.9
2.4
0.7
Iron
C=
J/g °C
ATmetal (°C)
72.9
Lead
75.4
75.1
76.7
| J/g°C
Be sure to record all of these values in the data table.
RETRY
Cmetal =
-Cwater Mwater
Mmetal
ΔΤ.
water
ATmetal

The atomic radius of sodium is 186 pm and of chlorine is 100 pm. the ionic radius for na+ is 102 pm and for cl– is 181 pm. in going from na to cl in period 3, why does the atomic radius decrease while the ionic radius increases? a. the inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do. b. the inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion. c. the outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do. d. the outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do. e. monatomic ions are bigger than the atoms from which they are formed.

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Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?