Answer:
8.54g
Explanation:
we know that: n=m/Mm
where:
- m represent mass
- and Mm represents molar mass
rearrange for m: m= n x Mm
m= 0.0490mol x 174.259g/mol
m= 8.54g
The answer is C2O.............
The volume will decrease, because as the temperature is lowered, the atoms will move slowler and they won't fill as much the balloon
D bc they actually contacted each other
Answer:
When this equation is solved, the two values of the unknown are 0.0643 and -0.082
Explanation:
Given
--- the actual equation
Required
The values of x
We have:

Cross Multiply

Multiply both sides by 100

Open bracket

Rewrite as:

Using quadratic formula:

Where:

So, we have:



Split


