Alright, so this question covers the subject of spontaneous reactions. Reactions tend to be spontaneous if the products have a lower potential energy than the reactants or when the product molecules are less ordered than the reactant molecules. This may seem a little confusing but to put it simply, spontaneous reactions occur naturally.
This means there is no external force for the reaction, usually exothermic, and increases entropy. Gibbs free energy change helps us determine if the reaction is spontaneous:
delta G= delta H -T(delta S) spontaneous if delta G<0
Remember that H stands for enthalpy, or potential energy; T is for temperature; and S is entropy, the amount of disorder(spontaneous reactions increase in entropy take for ice to liquid water).
- delta H= exothermic
The reaction in the problem releases heat so the enthalpy is negative.
delta S increases with increased temperature
The entropy will be positive.
Plugging this in the Gibbs equation, you can assume delta G will be less than 0.
Therefore, the answer is B. Sorry for the long and possibly not helpful explanation. I'm learning this material currently myself. Best of luck!
Acids have a pH less than 7 (pH < 7)
Bases have a pH more than 7 (pH > 7)
A pH of 7 would be neutral
Hope this helped!
Answer:
Precision and precision are two ways that scientists conceive about mistake. Accuracy refers to how similar a measurement is to an accurate or agreed meaning. Precision refers towards how similar the measurement with the same object is to each other. Precision is separate from precision.
True it is based on a set of observations
0.99 x volume= 0.106 x 0.082 x 309
volume= 2.71 ml
