A hydrogen fuel cell produces energy through an electrochemical reaction between hydrogen and oxygen. Hydrogen gas is fed into the anode side of the fuel cell, where it is split into protons and electrons. The protons travel through an electrolyte membrane to the cathode side, while the electrons flow through an external circuit, creating an electric current. At the cathode, the protons, electrons, and oxygen from the air combine to produce water and release energy in the form of electricity. **

The hydrogen consumption of a car with an H2 fuel cell per 100 km can vary depending on the specific model and driving conditions. On average, a hydrogen fuel cell car consumes around 0.8 to 1.0 kilograms of hydrogen per 100 kilometers. This translates to roughly 0.8 to 1.0 kilograms of hydrogen being used to travel 100 kilometers in a fuel cell vehicle. **

The hydrogen consumption of a car with an H2 fuel cell per 100 km can vary depending on the specific vehicle and driving conditions. On average, a hydrogen fuel cell car consumes around 0.8 to 1.0 kg of hydrogen per 100 km. This translates to roughly 5 to 6 kg of hydrogen for a 500 km journey. However, factors such as driving habits, speed, and terrain can influence the actual consumption rate. **

A hydrogen fuel cell is a device that converts the chemical energy of hydrogen and oxygen into electricity through an electrochemical reaction. It consists of an anode, a cathode, and an electrolyte membrane. Hydrogen gas is fed into the anode, where it is split into protons and electrons. The protons pass through the electrolyte membrane to the cathode, while the electrons flow through an external circuit, creating an electric current. At the cathode, the protons, electrons, and oxygen from the air combine to produce water and heat as byproducts. This process is clean and efficient, making hydrogen fuel cells a promising alternative to traditional combustion engines. **

The fuel that provides the most energy per kilogram is uranium-235, which is used in nuclear power plants. One kilogram of uranium-235 can produce about 24 million kilowatt-hours of electricity, which is significantly more energy than any other fuel source. This high energy density is one of the reasons why nuclear power is considered a highly efficient and powerful source of energy. **

The amount of green pesto per portion can vary depending on personal preference and the recipe being used. As a general guideline, a typical serving size of green pesto is around 2 tablespoons per portion. However, some recipes may call for more or less pesto based on the desired flavor intensity. It is always best to adjust the amount of pesto to suit your taste preferences. **

The fuel consumption per passenger can vary depending on the mode of transportation. For example, in a car, the fuel consumption per passenger would depend on the car's fuel efficiency and the number of passengers in the car. In an airplane, the fuel consumption per passenger would depend on the aircraft's fuel efficiency and the number of passengers on the flight. Generally, carpooling and using public transportation can help reduce the fuel consumption per passenger compared to driving alone. **

The fuel consumption per person varies depending on the mode of transportation and the distance traveled. For example, if a car is used for a trip, the fuel consumption per person will depend on the car's fuel efficiency and the number of people in the car. Similarly, for air travel, the fuel consumption per person will depend on the aircraft's fuel efficiency and the number of passengers on the flight. Overall, the fuel consumption per person can be calculated by dividing the total fuel consumed by the number of people traveling. **