The energy of the universe is constant. That what mentioned by the first law of thermodynamics,
Does this mean that AE is always equal to zero?
Select one:
a. Yes, AE = 0 at all times, which is why q = -W
b. No, AE does not always equal zero because it refers to the system's internal energy, which is
affected by heat and work.
c. No, AE never equals zero because work is always being done on the system or by the
system.
d. No, AE does not always equal zero, but this is only due to factors like friction and heat.
e. No, AE never equals zero because energy is always flowing between the system and
surroundings.
Answers: 3
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An engineer wishes to design a container that will hold 12.0 mol of ethane at a pressure no greater than 5.00x10*2 kpa and a temperature of 52.0 degrees celsius. what is the minimum volume the container can have?
Answers: 1
Chemistry, 23.06.2019 17:00
Select all that apply. when the products of a reaction have less energy than the reactants: the reaction is exothermic. the reaction is endothermic. the reactants lost internal energy. the change in enthalpy is positive.
Answers: 3
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The table below shows the fossils found in various layers of an undisturbed rock: fossils in rock layers layer (from top) fossil in layer 1 a, c 2 e 3 a, d, f 4 b 5 f, c 6 d, b which is most likely an index fossil?
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The energy of the universe is constant. That what mentioned by the first law of thermodynamics,
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