What evidence indicates that a reaction has occurred? (Select all that apply.)

a. The temperature decreased.

b. A solid brown product formed.

c. The temperature increased.

d. A gas formed.

e. An explosion occurred.

Name and distinguish the two components of a solution

Whats an e - in chemistry

Redox titrations are used to determine the amounts of oxidizing and reducing agents in solution. For example, a solution of hydrogen peroxide, H2O2, can be titrated against a solution of potassium permanganate, KMnO4.

6 features of a spider

An ion from a given element has 22 protons and 18 electrons. what is the charge on the ion?

Becky leaves home and write a distance of 30 KM it took her 2.5 hours what is her speed

Describe the weather associated with a high presurre system

Which of the following is equal to distance/time?

Which of the following should you always wear to avoid being thrown from a vehicle and then crushed if it tips over?

If the titrant has a molarity of 0.1000 m and there are 45.00 ml of analyte present, what is the molarity of the analyte?