<span>Earth's gravitational potential energy: GPE = mgh = Gravity (9.81m/s2) × Mass (kg) × Height (m)
it's k</span><span>inetic energy</span>
Answer: condensate.
Explanation.
1) You need a table with the boiling and freezing point of nitrogen to check the states at each given temperature.
2) Since the boling point of nitrogen is - 195.8, you know that at - 170°C it is a gas.
3) Since the freezing point of nitrogen is - 210°C, you know that at - 200°C it is liquid.
4) Then, nitrogen passed from gas to lquid, which is descripted by the condensation process, so it is said that it condensated (the gas became liquid).
There is no definite definition of entropy. In books, entropy is usually introduced through differential equations relating enthalpy and Gibb's free energy. However, that is an advanced explanation. For simplicity, entropy is the state of disorder. So, when the system shows a decrease in entropy, the system's molecules gets in order. For example, freezing water puts it in order because liquid water molecules are compacted into solid crystals. In relation, for a decrease in entropy, the reaction is more non-spontaneous.
Answer: 2.36 grams
Explanation: One molecule of NaCl has an atomic mass of 58.4 amu. That consists of one atom each of sodium (23 amu) and chlorine (35.4 amu).
Na 23 (23/58.4) = 0.3934
<u>Cl 35.4</u> (35.4/58.4) = 0.6066
58.4 amu
For Na: (6 grams)*(0.3934) = 2.36 grams