Answer:
weathering
Explanation:
the rocks due to rain generate cracks . heat and wind helps the rock to break into smaller chunks .
this process continuous till the rock is converted into sand. and is called weathering
Answer:
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Answer:
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Explanation:
Hvap, Tvap, Mr are constants
Hvap = 443.38 kJ/kg = 196417.34 J/mol
Tvap = -85.1 °C
Mr = 36.5 g/mol
n = 1.80 mol
ΔS = n*Hvap/Tvap
ΔS = 1.80 * 196417.34 / (273-85.1)
ΔS = 1881.59 J/K = 1.882 kJ/K
Molar mass H₂O = 18.0 g/mol and O₂ = 32.0 g/mol
2 H₂O --------> O₂ + H₂
(2* 18.0 g ) H₂O ----------> 32 g O₂
72.0 g H₂O ----------------> ?
mass of O₂ = 72.0 * 32 / 36
mass of O₂ = 2304 / 36
= 64 g of O₂
hope this helps!