Answer:
option A
an increase in entropy and a decrease in enthalpy
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Answer:
Answer C
Explanation:
Heat is used to turn the solid ice into liquid water
Answer:
3.8 x 10²⁴molecules
Explanation:
Given parameters:
Number of moles = 6.32moles
Unknown:
Number of molecules = ?
Solution:
The number of moles can be used to derive the number of molecules found within a substance.
Now,
1 mole of substance contains 6.02 x 10²³ molecules
6.32 mole of PBr₃ will contain 6.32 x 6.02 x 10²³ = 3.8 x 10²⁴molecules
4, 2, 1, and 3 is the answer
Answer:
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<em>m = </em><u><em>25</em></u><em> </em><em> </em><u><em>Kg</em></u>