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Q: The equation 2 1 H plus 1 1 H -- 3 2 He plus energy represents the of two hydrogen atoms?
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Is H an atom in chemistry?

H is the chemical symbol for Hydrogen and represents one hydrogen atom everywhere other than in a chemical equation where it represents one mole of hydrogen atoms.


What is the chemicla equation for water?

The chemical equation for water is H2O, which represents one molecule of water consisting of two hydrogen atoms bonded to one oxygen atom.


What is the chemical equation for wather?

The chemical equation for water is H2O, which represents two hydrogen atoms bonded to one oxygen atom.


How can I tell if a chemical reaction is balanced or not balanced?

If the equation has the same number of each type of atom on both sides of the arrow, it is balanced. If the number of atoms on each side of the arrow is not the same, the equation is not balanced. For example, in the equation H2 + O2 -->H2O, there are two hydrogen atoms and two oxygen atoms on the left, and two hydrogen atoms and one oxygen atom on the right. Therefore, the equation is not balanced. However, in the equation 2H2 + O2 -->2H2O, there are four hydrogen atoms and two oxygen atoms on the left and four hydrogen atoms and two oxygen atoms on the right, so the equation is balanced.


What is the word equation for hydrogen and iodine?

The word equation for the reaction between hydrogen and iodine is: Hydrogen + Iodine → Hydrogen iodide.


How many atoms of hydrogen appear on each side of the equation?

To determine the number of hydrogen atoms on each side of the equation, you would need to balance the equation first. Once the equation is balanced, count the number of hydrogen atoms on both the reactant and product sides to compare. The number of hydrogen atoms should be the same on both sides of the balanced equation.


Is the formula h20 and h202 the same?

No, the formulas H2O and H2O2 are not the same. H2O represents water, while H2O2 represents hydrogen peroxide. Water has two hydrogen atoms and one oxygen atom, while hydrogen peroxide has two hydrogen atoms and two oxygen atoms.


How do you label 2H202 - 2H20 02?

The formula 2H2O2 represents hydrogen peroxide, which is a compound composed of hydrogen and oxygen atoms. The correct way to label this compound is "2H2O2" or "2(H2O2)", indicating that there are two molecules of hydrogen peroxide present in the equation.


What is the bond energy between hydrogen and fluoride?

The bond energy between hydrogen and fluoride is approximately 569 kJ/mol. This value represents the amount of energy required to break the bond between one mole of hydrogen and one mole of fluoride atoms under standard conditions.


What does balance the equation mean?

In terms of Chemistry it means to make sure that there are equal numbers of atoms on both sides of the equation. For example, H2O2 +O2 = OH + O2 is not balanced as there are only four atoms of oxygen and two atoms of hydrogen on the left, and there are 3 atoms of oxygen and an atom of hydrogen on the right. To balance it, you make it so that it looks like this: H2O2 + O2 = 2OH + O2. Now, you have 2 atoms of hydrogen on the left with four atoms of oxygen, and 2 atoms of hydrogen on the right with four atoms of oxygen. Here is another balanced equation: 6 CO2 + 12 H2O + energy → C6H12O6 + 6 O2 + 6 H2O Carbon dioxide and water plus energy yields sugar, oxygen, and water. This essential chemical reaction is known as photosynthesis.


2H2 02---2H20 - how many molecules and number of atoms of each element in the equation?

The chemical equation represents the reaction of 2 molecules of dihydrogen (H2) and 1 molecule of dioxygen (O2) to form 2 molecules of water (H2O). In total, this reaction involves 6 atoms of hydrogen (2 in each H2O molecule) and 2 atoms of oxygen (1 in each O2 molecule).


How do you check that an equation is balanced?

Make sure that the number of atoms on the left side of the equation is the same as the number of atoms on the right side.For example: -H + O2 --> H2O This is not a balanced equation because there is more oxygen and less hydrogen on the left side of the equation then is needed on the right side.4H + O2 --> 2H2O This equation is balanced because there is 4 hydrogen atoms and 2 oxygen atoms on both sides of the equation.