An object was measured by a worker as 17.4cm long, however, the manufacturer specifications list the length of the object at 17.9cm. what is the percent error in the workers measurement?

An aqueous solution of potassium hydroxide is standardized by titration with a 0.194 m solution of hydrobromic acid. if 25.2 ml of base are required to neutralize 24.2 ml of the acid, what is the molarity of the potassium hydroxide solution? m potassium hydroxide

What are the major types of a chemical compound

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device