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What is the potential of solar energy as a clean energy source?
Solar energy, generally referred to as the radiant energy of sunlight, is used in modern times to generate electricity. Since the formation of life on earth, it has been mainly based on the heat and light provided by the sun. Since ancient times, humans have also known how to dry objects with sunlight and use it as a means of preserving food, such as salt and brackish fish. However, when fossil fuels are reduced, the...
Solar energy, generally referred to as the radiant energy of sunlight, is used in modern times to generate electricity. Since the formation of life on earth, it has been mainly based on the heat and light provided by the sun. Since ancient times, humans have also known how to dry objects in the sun as a means of preserving food, such as salt and brackish fish. However, it is only when fossil fuels are reduced that...
Hydrogen is a kind of green energy with great development prospect. Some people think that hydrogen can be produced by electrolytic water to develop hydrogen energy If the combustion value of hydrogen is 1.43*10 eighth power J/kg, what is the heat released by complete combustion of hydrogen with 9.9 g of electrolytic water? Based on the above extremes, is it possible to develop hydrogen by electrolytic water? State reasons Hydrogen is a kind of green energy with great development prospect. Some people think to use electrolytic water to produce hydrogen to develop hydrogen energy If the combustion value of hydrogen is 1.43*10 eighth power J/kg, what is the heat released by complete combustion of hydrogen with 9.9 g of electrolytic water? Based on the above extremes, is it possible to develop hydrogen by electrolytic water? State reasons
9.9 G of water decomposes to 1.1 g of hydrogen, and the complete combustion energy is the calorific value multiplied by 1.1 and divided by 1000
It's definitely not feasible. The power consumption of electrolytic water is too high.
RELATED INFORMATIONS
- 1. Now it's said that hydrogen is the cleanest energy source, and electrolysis of water can also get hydrogen, so why no one does that
- 2. What is electrolyzed water? What can be converted from electricity? What's electrolyzed water? What's the power?
- 3. Electrolytic water consumes energy, and hydrogen combustion releases energy. How do you understand the energy changes in chemical change? Why "21st century is hydrogen energy century "? I don't like answers copied from somewhere else.
- 4. Is there an arrow behind the chemical formula for hydrogen and oxygen produced in the chemical equation for electrolytic water?
- 5. Medical needs 180 kg of oxygen, if the method of electrolytic water to make. Then how many kilograms of electrolytic water? How many kilograms of hydrogen can be obtained at the same time Medical needs 180 kg of oxygen, if the method of electrolytic water to make. Then how many kilogram of electrolytic water? How many kilograms of hydrogen can be obtained at the same time
- 6. How to verify that the volume ratio of hydrogen to oxygen produced by electrolysis water is 2:1 Since we know that hydrogen and oxygen have different solubility in water, the volume ratio of hydrogen to oxygen will not be 2:1 at the beginning, when will the saturated volume ratio of oxygen in water be 2:1? How to verify that the volume ratio of hydrogen to oxygen produced by electrolysis water is 2:1 Because we know that hydrogen and oxygen have different solubility in water, the volume ratio of hydrogen to oxygen will not be 2:1, so when will the saturated volume ratio of oxygen in water be 2:1?
- 7. Electrolytic water oxygen and hydrogen generation instructions: A, this is a chemical change. B This is a physical change. C Water contains oxygen and hydrogen D Water consists of hydrogen and oxygen Specification of oxygen and hydrogen generated from electrolytic water: A, this is a chemical change. B This is a physical change. C Water contains oxygen and hydrogen D Water consists of hydrogen and oxygen
- 8. What is Solar Clean Energy
- 9. Solar energy is a huge clean energy, a lot of solar energy can be used up in the short term. Right or wrong?
- 10. Number of chemical bonds of SiO2, Si, CH4, P4? What is the number of chemical bonds of SiO2, Si, CH4 and P4? Please attach the necessary analysis...
- 11. When the water is electrolyzed, the mass ratio of hydrogen to oxygen always 1: When the water is electrolyzed, the mass ratio of hydrogen to oxygen is always 1:
- 12. Suppose 1,8 grams of water is electrolyzed and the mass of oxygen and hydrogen produced is calculated from the chemical equation for electrolyzed water.
- 13. Why, from the point of view of energy conservation, is it not advisable to use hydrogen produced by electrolytic water as a conventional energy source? Is it because you need a lot of power?
- 14. Is the quality of hydrogen and oxygen produced by electrolysis of water the same as that of the original water
- 15. To obtain 1 mol of hydrogen from electrolyzed water, how much g of water is needed? How many grams of oxygen are produced at the same time To obtain 1 mol of hydrogen gas from electrolyzed water, ask what mass of electrolyzed water is required? How many grams of oxygen are produced at the same time
- 16. The number of oxygen atoms contained in 0.2mol oxygen gas and () mol water is equal
- 17. Why the heat released from the complete combustion of 2 mol hydrogen gas into water vapor is less than that less than 572 J/mol Why the heat released from the complete combustion of 2 mol hydrogen gas is less than that of water, less than 572 J/mol
- 18. O2 is the amount of oxygen, and H2 is the amount of hydrogen. The formula is,2H2+O2=2H2O, and the ratio of the amount of oxygen and the amount of hydrogen is determined
- 19. Electrolytic water, electric energy all into chemical energy Such as title
- 20. When water electrolysis produces hydrogen and oxygen, does brine electrolysis produce hydrogen and oxygen? What role does salt play in this process? Water electrolysis produces hydrogen and oxygen, so does brine electrolysis produce hydrogen and oxygen? What role does salt play in this process?