Answer:
Conduction is the transfer of thermal energy from one molecule to another within an object. Conduction also happens between two objects in direct contact if they have different temperatures. The hotter molecule vibrates because of the added heat. This vibration and movement transfer the energy to the surrounding molecules. The transfer of energy continues until all the molecules have the same temperature.
Conduction takes place in solids, liquids, and gases. However, it happens fastest in solids because the molecules in solids are closely packed.
Answer:
The kinetic theory of matter (particle theory) says that all matter consists of many, very small particles which are constantly moving or in a continual state of motion.
Explanation:
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True is the answer as at 100 Celsius water boils
Answer:
ExplanaA) A decrease in reactant concentration reduces the frequency of successful collisions. tion:
As a reactant gets used up, there are fewer molecules present to collide with others. A reaction depends on molecular collisions. When there are fewer collisions, the reaction slows down.
B) is wrong. A reaction is usually carried out at constant temperature,
C) is wrong. Not all reactions need catalysts.
D) is wrong. If the temperature is constant, pressure will have little effect on the movement and energy of molecule.
<span>Calculate the standard entropy change for the dimerization of NO2: 2NO2(g)→N2O4(g)at 298 K, if
Sâ—¦ â†Hâ—¦f J/K·mol
NO2(g) 240.06 33.18
N2O4(g) 304.29 9.16
Answer in units of J/K·mol
AP Chemistry - DrBob222 Tuesday, October 29, 2013 at 8:53pm
See your other posts below.
AP Chemistry - fg Monday, April 4, 2016 at 4:19pm
dg4354
2242342
1111
AP Chemistry - Eman Monday, April 25, 2016 at 11:19am
-175.8 j/k.mol</span>
