Answer:
A solution is made when one substance called the solute "dissolves" into another substance called the solvent.
Explanation:
once it is broken down"dissolves" from bigger pieces it becomes much smaller groups
Charge = 1200 * 1.6 * 10^-19 = 1920 * 10^-19
Time = 3.5 µs = 3.5 * 10^-6 s
But Current = charge/time = (1920 * 10^-19) / (3.5 * 10^-6)
So Current becomes 548.5714 * 10^(-19-(-6))
So we have 548.5714 * 10^(-19 + 6) = 548.5714 * 10^(-13)
So we have 5.485714 * 10^(-15)
Answer:
Rate of Ar= 1.65 x mol/h
Explanation:
Here we'll use Graham's Law where
R= rate of effusion and M= molar mass
Let's plug in what we know.
You could switch them where Xe is M1 (on the bottom) instead of M2, but I find it easier when the unknown is R1, where it acts like a whole number. It makes the algebra part of the equation easier.
Let's solve for R1.
R1= 1.089 x
R1= 1.65 x mol/h
Answer:
A)
Explanation:
Hi,
A) First we need to calculate the heat consumed (because the temperature decreased) by the dissolution process.
All the heat consumed was shown in the change of temperature given that there is no heat loss in the calorimeter.
So:
We know that:
The heat is:
1 mol of the amonium nitrate weighs: 80g/mol:
The heat for 1 mol: