A 13,000N car is driving down the road while the engine is applying a force of 4,000 N to the east. The friction acting on the car is 18,000 N.

Based on the equation and the information in the table, what is the enthalpy of the reaction?

How have the greenhouse gasses increased from the year 2000 to 2018

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.