Answer:
8.42 mL
Explanation:
For the equivalence point for the reaction of an acid and base , is given by the following formula -
M₁V₁ = M₂V₂
where ,
M₁ = acid's concentration ,
V₁ = acid's volume ,
M₂ = base's concentration ,
V₂ = base's volume .
from , the question ,
M₁ = 0.102 M ( acid )
V₁ = 10.0 mL ( acid )
M₂ = 0.121 M ( base )
V₂ = ?
To calculate the volume of the base , the above formula is used and the respective values are substituted , as follow -
M₁V₁ = M₂V₂
0.102 M * 10.0 mL = 0.121 M * V₂
V₂ = 1.02 / 0.121 = 8.42 mL
Cause potassium comes from strong base and acetate comes from weak acid, when they disociate potassium is stronger base or weaker conjugated acid than acetate is cause acetate is weaker acid or stronger conjugated base... i hope you can get it from this what i wrote
Answer:
1.01atm
Explanation:
First, we need to calculate the numbers of mol of ammonia. This can be achieved by doing the following:
V = 3.25L
P = 652mmHg we must convert this to atm by:
760mmHg = 1atm
652mmHg = 652/760 = 0.858atm
T = 243K
R = 0.082atm.L/K /mol
n =?
PV = nRT
n = PV /RT
n = (0.858 x 3.25)/(0.082x243)
n = 0.14mol
From the question, we were to that the other gas had the same amount(0.14mol) as ammonia. We can calculate for the pressure of the gas as illustrated below:
P =?
V = 2.5L
T = 221K
R = 0.082atm.L/k/mol
n = 0.14mol
PV = nRT
P = nRT /V
P = (0.14x0.082x221) / 2.5
P= 1.01atm
I think the correct answer from the choices listed above is the first option. The condition that can determine whether a system is in equilibrium is when deltaG is equal to zero. Hope this answers the question. Have a nice day. Feel free to ask more questions.
<h2>Answer and Explanation </h2>
The body of water means the occurrence of water on earth’s surface. Examples are oceans, lakes, seas, ponds, and pools. The major bodies of water are:
- Pacific ocean is the biggest and deepest of Earth's oceanic divisions. It stretches from the Arctic Ocean in the direction to the Southern Ocean.
- Atlantic ocean is another giant of the world's oceans. It includes nearly 20 percent of the Earth's exterior and nearly 29 percent of its water covering space.
- The Indian Ocean is the third largest Ocean in the world. It is surrounded by Asia, Africa, and Australia.
- Arctic ocean is the smallest and shallowest of the world's five main oceans.
- Mediterranean sea is a sea is attached to the Atlantic Ocean.