2
3 K 4
KM
5
67
2a. A 51 g piece of metal is heated to 100°C and placed in...
Chemistry, 19.05.2021 01:00, morenoozzie
2
3 K 4
KM
5
67
2a. A 51 g piece of metal is heated to 100°C and placed in a foam cup calorimeter containing
100.0mL of water at 25°C. Both the water and the metal reach a temperature of 32.44 °C.
How many joules of heat does the metal release? (specific heat of water 4.18 J/gºC)
SHOW YOUR WORK
Variables
Calculate here:
q=
m =
C=
AT =
Answers: 3
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He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
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