Answer:
Volume will decreased by decreasing the amount of gas.
Explanation:
The amount of gas and volume are directly related to each other. By decreasing the amount of gas volume will decrease by keeping the temperature and pressure constant.
Mathematical expression:
V ∝ n
V = Kn
we put the K by removing the sign of proportionality.
K = proportionality constant
n = amount of gas
V = volume of gas
The volume- amount relation is called Avogadro law.
By increasing the amount of gas volume will also goes to increase.
Answer:
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Is the water line of boat when someone boards or leaves it.
Answer:
Option D (191 grams) is correct
Explanation:
Step 1: Data given
Atomic mass of Mg = 24.3 g/mol
Atomic mass of Cl = 35.45 g/mol
Atomic mass of O = 16.0 g/mol
Step 2: Calculate molar mass of Mg(ClO3)2
In 1 molecule Mg(ClO3)2 we have 1x Mg, 2x Cl and 6x O
Molar mass Mg(ClO3)2 = atomic mass of Mg + atomic mass of (2*Cl) + atomic mass of (6x O)
Molar mass Mg(ClO3)2 = 24.3 g/mol + 2*35.45 g/mol + 6* 16.0 g/mol
Molar mass Mg(ClO3)2 = 191.2 g/mol
The molar mass of Mg(ClO3)2 is 191 g/mol
This means 1 mol has a mass of 191 grams
Option D (191 grams) is correct