For each system listed in first column of the table below, decide (if possible) whether the change described in the second colum
n will increase the entropy For each system listed in first column of the tabl of the system, decrease For each system listed in first column of the tabl , or leave unchanged. If you don't have enough information to decide, check the "not enough information" button in the last column.SystemChange?SA few moles of nitrogen (N2) gas.The nitrogen is compressed from a volume of to a volume of while the temperature is held constant at <?S0=?S0>?S0not enough informationA few grams of liquid acetone ((CH3)2CO).The acetone evaporates at a constant temperature of <?S0=?S0>?S0not enough informationA few moles of nitrogen (N2) gas.The nitrogen is cooled from to and is also expanded from a volume of to a volume of <?S0=?S0>?S0not enough informationFor each system listed in first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy For each system listed in first column of the tabl of the system, decrease For each system listed in first column of the tabl , or leave unchanged. If you don't have enough information to decide, check the "not enough information" button in the last column.SystemChange?SA few moles of nitrogen (N2) gas.The nitrogen is compressed from a volume of to a volume of while the temperature is held constant at <?S0=?S0>?S0not enough informationA few grams of liquid acetone ((CH3)2CO).The acetone evaporates at a constant temperature of <?S0=?S0>?S0not enough informationA few moles of nitrogen (N2) gas.The nitrogen is cooled from to and is also expanded from a volume of to a volume of <?S0=?S0>?S0not enough information
1 answer:
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Answer:
ΔE = 5.02 x 10⁻¹⁹ j
Explanation:
ΔE (photon) = h·f = (6.63 x 10⁻³⁴ j·s)(7.57 x 10¹⁴ s⁻¹) = 5.02 x 10⁻¹⁹ j
h = Planck's Constant = 6.63 x 10⁻³⁴ j·s
f = frequency (given) = 7.57 x 10¹⁴ s⁻¹
B is the correct answer since both Gondwanaland and Laurasia both technically came after pangaea
Answer:
b is the answer because ionic bonds are weaker than covalent forces
Answer:
25
Explanation: They all add up to 25 Atoms
Atomic number 70
weight 173
number of neutron = weight - Atomic number
= 173 -70
=103