When 4g of hydrogen comes in contact with oxygen in presence of electricity they form water what is the mass of water formed at mass of H 1 o 16?

Last updated at Sept. 24, 2021 by

Table of Contents Show

Thermochemical Processes
Electrolytic Processes
Direct Solar Water Splitting Processes
Biological Processes

Answer

Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water .

This means 1g of Hydrogen reacts with 8g of Oxygen to form H 2 O

1g Hydrogen → 8g Oxygen

3g Hydrogen → 3 × 8g Oxygen

= 24g Oxygen

Therefore, 24g Oxygen gas would be required to react completely with 3g of hydrogen gas .

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Hydrogen and Fuel Cell Technologies Office

Hydrogen can be produced using a number of different processes. Thermochemical processes use heat and chemical reactions to release hydrogen from organic materials, such as fossil fuels and biomass, or from materials like water. Water (H2O) can also be split into hydrogen (H2) and oxygen (O2) using electrolysis or solar energy. Microorganisms such as bacteria and algae can produce hydrogen through biological processes.

Thermochemical Processes

Some thermal processes use the energy in various resources, such as natural gas, coal, or biomass, to release hydrogen from their molecular structure. In other processes, heat, in combination with closed-chemical cycles, produces hydrogen from feedstocks such as water. Learn more about the following thermochemical processes:

Electrolytic Processes

Electrolyzers use electricity to split water into hydrogen and oxygen. This technology is well developed and available commercially, and systems that can efficiently use intermittent renewable power are being developed. Learn more about electrolysis.

Direct Solar Water Splitting Processes

Direct solar water splitting, or photolytic, processes use light energy to split water into hydrogen and oxygen. These processes are currently in various early stages of research but offer long-term potential for sustainable hydrogen production with low environmental impact. Learn more about the following solar water splitting processes:

Photoelectrochemical (PEC)
Photobiological.

Biological Processes

Microbes such as bacteria and microalgae can produce hydrogen through biological reactions, using sunlight or organic matter. These technology pathways are in the research and development stage, with pilot demonstrations occurring, but in the long term have the potential for sustainable, low-carbon hydrogen production. Learn more about the following biological processes: