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The first part of the answer is in the photo attached. I hope i can attach a second photo...
B. by the water temperature
Explanation:
Morgan should organize her data using given water temperature.
The only variable is the time it takes to dissolve the sugar cubes at different temperatures.
- Data in an experiment should be organized using the variables in the experiment.
- The variables in the experiment are the different water temperature and the time it takes for them to dissolve.
- The size of the glass does not have any effect on the dissolution.
- The amount of sugar is the same.
- There is no amount of sugar left in the glass after the experiment
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Muy ihchiacbbacbsisbcubiiwuvbi
Answer: at the temperature of the experiment is 0.56.
Explanation:
Moles of = 0.35 mole
Moles of = 0.40 mole
Volume of solution = 1.00 L
Initial concentration of =
Initial concentration of =
Equilibrium concentration of =
The given balanced equilibrium reaction is,
Initial conc. 0.35 M 0.40 M 0 M 0M
At eqm. conc. (0.35-x) M (0.40-x) M (x) M (x) M
Given: (0.35-x) = 0.19
x= 0.16 M
The expression for equilibrium constant for this reaction will be,
Now put all the given values in this expression, we get :
Thus at the temperature of the experiment is 0.56.