ATP is hydrolyzed into ADP in the following reaction: ATP+H 2 OâADP+P i +free energy. Like most chemical reactions, the hydrolysis of ATP to ADP is reversible. The reverse reaction combines ADP + P i to regenerate ATP from ADP. Since ATP hydrolysis releases energy, ATP synthesis must require an input of free energy. ADP is combined with a phosphate to form ATP in the following reaction: ADP+P i +free energyâATP+H 2 O. ATP and Energy Coupling
Getting Started. Fouled, damaged, or worn out spark plugs can lead to a variety of engine problems, such as misfires, hard starts, increased emissions, and poor fuel economy. For most vehicles, you should replace your spark plugs every 30,000 miles (consult your owner's manual for your specific interval).
Why You Should Change Your Spark Plugs. Car maintenance is full of small reminders. There always seems to be something to be concerned about underneath the hood. Mechanics will warn of the need to check on the battery, change the oil, make sure the transmission fluid is not cloudy, and a lot of other little things. Spark plugs are part of the engine that need to be maintained and changed when necessary. Car owners have to appreciate that this is more than just another nagging little poke in the ribs. Spark plugs are extremely important. It can be very understandable why car owners will ignore the spark plugs.