Data
Record your data either in your lab notebook or in the space below.
Aluminum
Coppe...
Chemistry, 15.01.2021 18:20 sciencefanfae7248
Data
Record your data either in your lab notebook or in the space below.
Aluminum
Copper
Iron
Lead
m
mobile
Mass of metal g)
Mass of calorimeter (no lid) g)
Mass of calorimeter (no lid) + water (g)
m
Mass of water g)
(Subtract masses above.)
100.0
100.0
100.0
Initial temperature of metal (°C)
100.0
Initial temperature of water (°C)
Final temperature of both (°C)
AT water (C)
(Final - Initial)
ATmetal (°C)
(Final - Initial)
Specific heat of metal, Cmetal
Answers: 2
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Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.
Answers: 3
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The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder
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For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
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