Questions

How does H2 and O2 make H2O?

How does H2 and O2 make H2O?

The actual reaction to make water is a bit more complicated: 2H2 + O2 = 2H2O + Energy. In English, the equation says: To produce two molecules of water (H2O), two molecules of diatomic hydrogen (H2) must be combined with one molecule of diatomic oxygen (O2). Energy will be released in the process.

What type of reaction is 2 H2O → 2 H2 O2?

synthesis reaction
The chemical reaction 2H2+O2→2H2O 2 H 2 + O 2 → 2 H 2 O is classified as a synthesis reaction.

Is H2 O2 a reaction to H2O A combination?

Type of Chemical Reaction: For this reaction we have a Combination reaction. Balancing Strategies: For this reaction it is helpful to start by changing the coefficient in front of H2O and so that you have an even number of oxygen atoms.

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How is h20 formed?

In English, the equation says: To produce two molecules of water (H2O), two molecules of diatomic hydrogen (H2) must be combined with one molecule of diatomic oxygen (O2). The negatively charged oxygen ions combine with positively charged hydrogen ions to form water and release electrical energy.

Is 2 H2O2 → 2 h2o O2 balanced?

Explanation: This reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen. Add 2 molecules of hydrogen peroxide and 2 molecules of water. Since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

What type of reaction is shown below ca 2H2O → Ca OH 2 h2?

CaO + H2O → Ca(OH)2 is an example of which reaction? Answer: This reaction is a combination reaction, as calcium oxide and water combines to form a single product that is calcium hydroxide.

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Is H2 O2 h2o exothermic?

This energy is released in the form of heat. It is given to us that formation of water from hydrogen and oxygen gas is exothermic, which means the energy of the reactant is higher than that of the products.

Why is h20 exothermic?

Liquid water had to have energy put into it to become steam, and that energy is not lost. Instead, it is retained by the gaseous water molecules. When these molecules condense to form liquid water again, the energy put into the system must be released. And this stored energy is let out as exothermic heat.

Is h20 endothermic or exothermic?

H2O(l) → H2O(s) Exothermic; energy is released when bonds are being made between water molecules in the phase change.