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To determine the heat evolved when 186 g of oxygen reacts with excess hydrogen, we first need to identify the reaction involved, which is the combustion of hydrogen to form water: 2H₂ + O₂ → 2H₂O. The molar mass of oxygen is approximately 32 g/mol, so 186 g of oxygen corresponds to about 5.81 moles (186 g / 32 g/mol). The standard enthalpy change of this reaction is approximately -286 kJ per mole of water produced; thus, the heat evolved can be calculated based on the amount of water formed from the available oxygen. For 5.81 moles of O₂, approximately 11.62 moles of H₂O are produced, resulting in around -3,327 kJ of heat evolved (11.62 moles × -286 kJ/mol).
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If you burn 24.2 of hydrogen and produce 216 of water how much oxygen reacted?
To determine the amount of oxygen that reacted when burning hydrogen, we can use the balanced chemical equation for the combustion of hydrogen: 2 H₂ + O₂ → 2 H₂O. From the equation, 2 moles of hydrogen produce 2 moles of water, meaning 1 mole of hydrogen produces 1 mole of water. Given that 24.2 grams of hydrogen (approximately 12.1 moles) produce 216 grams of water (approximately 12 moles), we can see that 12 moles of water would require 6 moles of oxygen, which corresponds to about 192 grams of oxygen. Thus, approximately 192 grams of oxygen reacted.
How do you remove excess hydrogen from a apparatus where oxygen should be collected?
fill with water
Can a chemical reaction occur during the electrolysis of water?
yes. hydrogen and oxygen gas will be evolved
What is the most common molecule in the human body is made of what element?
Oxygen and Hydrogen
Describe three different ways of making hydrogen from other chemicals?
Hydrogen can be produced through various methods, including steam methane reforming (SMR), where natural gas is reacted with steam to produce hydrogen and carbon dioxide. Another method is electrolysis, which involves using an electric current to split water into hydrogen and oxygen. Additionally, biomass gasification converts organic materials into hydrogen and other gases through high-temperature processes in the presence of limited oxygen.
What gas gives water when reacted with hydrogen?
Oxygen
What reacted with oxygen to form Us historys worst aviation?
hydrogen when the hindenberg blimp blew up
If you burn 24.2 of hydrogen and produce 216 of water how much oxygen reacted?
To determine the amount of oxygen that reacted when burning hydrogen, we can use the balanced chemical equation for the combustion of hydrogen: 2 H₂ + O₂ → 2 H₂O. From the equation, 2 moles of hydrogen produce 2 moles of water, meaning 1 mole of hydrogen produces 1 mole of water. Given that 24.2 grams of hydrogen (approximately 12.1 moles) produce 216 grams of water (approximately 12 moles), we can see that 12 moles of water would require 6 moles of oxygen, which corresponds to about 192 grams of oxygen. Thus, approximately 192 grams of oxygen reacted.
How do you remove excess hydrogen from a apparatus where oxygen should be collected?
fill with water
How has hydrogen gas been made through chemical reactions?
strong acids like sulphuric acid reacted with metals like zincwater reacted with alkali metalselectrolysisetc.
Can a chemical reaction occur during the electrolysis of water?
yes. hydrogen and oxygen gas will be evolved
What is product when hydrogen abd oxygen react?
Given the energetics presented above, there is a strong thermochemical bias for the production of water over hydrogen peroxide when H2 and O2 are reacted together.
What gives water when reacted with hydrogen?
The question is rather poorly asked. It should be ' What other gas reacts with hydrogen to form water? ' The answer is oxygen. Hence is the balanced reaction eq'n. 2H2(g) + O2(g) = 2H2O(l) .
How could you prove that something is hydrogen?
The 'pop' test. To test for hydrogen , have a sample in an upturned boiling/test tube, hydrogen is lighter that air, put a lighted splint/taper to the mouth and it will 'pop' This is the classic hydrogen test.
What is a limited reactant?
With any chemical reaction you have reactants and products, for this question I'll use the example of the formation of water from it's parts, Hydrogen and Oxygen. The equation would look like this: 2H2 (g) + O2 (g) -> 2H2O (l) Let's say you start out with 3 moles of Hydrogen and 1 mole of Oxygen. From the reaction you can see that for every mole of O2 that reacts, 2 moles of H2 are reacted. This means that after your mole oxygen reacts, you are still left with a mole of excess Hydrogen. Thus, Hydrogen is considered the excess reactant, and Oxygen is considered the limited reactant. In short, the limited reactant is whichever reactant you will use up in the reaction first.
Doeds acid and metal react to give off oxygen?
No. acids and metals react to give off hydrogen.
What happens when magnetic ribbon reacted with oxygen?
when magnetic ribbon reacted with oxygen then it forms a new substance which is known as magnesium oxide[2mgo]
