Which indicator of a chemical change is shown?

A science glass with smoke coming out the top

formation of a gas.

Formation of a precipitate.

Change in energy.

Change in color.

Uric acid can collect in joints, giving rise to a medical condition known as gout. If the pKa of uric acid is 3.89, what is the pH of a 0.00600 M solution of uric acid?

A 205-ml solution of nacl was electrolyzed for 8.20 min. if the ph of the final solution was 12.28, calculate the average current used.

Arrange the following measurements, in seconds, from least bias to the greatest bias. 6.63+/-0.01, 6.6+/-0.1, 6.52+/-0.05, 6.4+/-0.5

What are 3 or 4 liquids that dont mix when shaken

Earth's geochemical cycles are

What occurs in a chemical reaction? Products are formed from reactants by the breaking and forming of new bonds. Products are formed without chemical bonds being broken. Reactants are formed without chemical bonds being broken.

What information does the atomic mass of an element provide

The following diagram represents a vertical cross section of sedimentary rock layers that have not been overturned. Which principle best supports the conclusion that these layers have undergone extensive movement since deposition?

What kind of ions do a sodium atom and a chlorine atom become when a valence electron is transferred from one to the other?

NaOH and bleach have several characteristics in common. They include all BUT one of the characteristics listed.