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Chemical Equations

A chemical equation is defined as the short-hand representation of a true chemical reaction with the help of symbols and formula. In this category, there are questions relating chemical equations, symbols and formula.

1,997 Questions

What is the number of water molecules in the balanced equation?

The number of water molecules in a balanced equation depends on the specific reaction being considered. The coefficient in front of water (H2O) in the balanced equation indicates how many molecules of water are involved in the reaction.

What is the full balanced chemical equation for this reaction of fe with cu?

The balanced chemical equation for the reaction of iron (Fe) with copper (Cu) is:

Fe(s) + CuSO4(aq) → FeSO4(aq) + Cu(s)

How does the chemical equation for photosynthesis and cellular respiration obey the law of conservation?

the chemical equation for photosynthesis and cellular respiration obey the law of conservation is given below.the chemical equation for photosynthesis is :

6CO2 + 6H2O ==> C6H12O6 + 6O2.

The number of atoms are same on both sides even after the reaction.Hence, obey the law of conservation

the chemical equation for cellular respiration is :

C6H12O6(s) + 6O2(g) → 6CO2(g) + 6H2O(l) + Energy (as ATP) .

The number of atoms are same on both sides even after the reaction.Hence, obey the law of conservation.


What happens if plants don't have oxygen?

Plants need oxygen for energy production. Without oxygen, plants cannot carry out cellular respiration, which is essential for converting stored energy into usable forms. This can lead to reduced growth, wilting, and eventually the death of the plant.

What is equation for formation of solid sodium hydroxide?

  • Sodium hydroxide, NaOH, is also known as lye or caustic soda.
  • Sodium hydroxide is a commonly used base.
  • equation for formation of sodium hydroxide is below.
  • 2NaCl(aq) + 2H2O(l) -----> H2(g) + Cl2(g) + 2NaOH(aq).

What is the chemical formula for marsh gas?

The chemical formula for marsh gas, also known as methane, is CH4. It is a simple hydrocarbon compound composed of one carbon atom bonded to four hydrogen atoms. Methane is a colorless and odorless gas that is the main component of natural gas.

What is the word equation for the preparation of hydrogen?

The word equation for the preparation of hydrogen gas is: metal + acid → salt + hydrogen gas. For example, when hydrochloric acid reacts with zinc, it produces zinc chloride salt and hydrogen gas.

How could you recognize the chemical formula of an element?

The chemical formula of an element is typically represented by one or two letters. Each element has a unique symbol that is listed on the periodic table. For example, the symbol for hydrogen is H and for oxygen is O. By knowing the symbols and their corresponding elements, you can recognize the chemical formula of an element.

What is the chemical equation for the decomposition of calcium hydrogen carbonate?

the chemical equation for the decomposition of calcium hydrogen carbonate is given below.Ca(HCO3)2(aq) → CO2(g) + H2O(l) + CaCO3(s).It is a balance chmeical reaction.

What is the equation for sodium nitrate and copper III iodide?

the equation for sodium nitrate and copper III iodide can be given below.Cu I 2 +2 Na No3 ->I (NO3)2 + 2NaI.

this is the balance reaction for the above.

How calculate the percantage yield in balanced chemical equation?

To calculate the percentage yield in a balanced chemical equation, you first need to determine the theoretical yield (the maximum amount of product that can be formed based on stoichiometry). Then, measure the actual yield produced in the lab experiment. Divide the actual yield by the theoretical yield, and then multiply by 100 to get the percentage yield. The formula is: (actual yield / theoretical yield) x 100%.

What is staff balancing?

Staff balancing is the process of assigning tasks and responsibilities among team members in a way that optimizes productivity, efficiency, and workload distribution. It involves matching the skills, availability, and workload capacity of staff with the demands of the project or organization to ensure that work is allocated equitably and effectively.

What is the chemical equation of 1 - hexene and potassium permanganate?

The chemical equation for the reaction between 1-hexene and potassium permanganate is:

1-hexene + KMnO4 + H2SO4 → oxidation → products

The actual products formed will depend on the specific conditions of the reaction, but typically, it will result in the formation of diols or other oxidized compounds.

What is the balanced chemical equation for the reaction of solid magnesium metal and barium chloride?

In a chemical equation ,we must finish our chemical reaction with as many atoms of each element as when we started.the balanced chemical equation for the reaction of solid magnesium metal and barium chloride is given as .Mg + Bacl 2 -> Mgcl2 + Ba.

What is the type of chemical reaction between Sodium Thiosulphate reacts and hydrochloric acid and what is the balanced equation?

The reaction between sodium thiosulfate and hydrochloric acid is a redox reaction, where the sulfur in thiosulfate changes oxidation state. The balanced equation for this reaction is: 2Na2S2O3 + 2HCl -> 2NaCl + SO2 + S + H2O.

What is the chemical equation for glucose to produce ethanol?

the chemical equation for glucose to produce ethanol is given below. It is done by The balanced equation for the fermentation of glucose to ethanol is as follows:




What is the equation when you mix silver nitrate and ammonium chloride?

the equation when you mix silver nitrate and ammonium chloride is given as follows.It forms the whitish insoluble silver chloride AgCl.The precipiate is white in color.Its a doub
le displacemeent reaction.
NH4Cl + AgNO3 ------- AgCl ( s ) + NH4NO3

What are the reactants and products in a chemical equation to the left of the formulas called?

Reactants are the material or substance that react with each other. Product is the result of a reaction between two reactants.

for example : magnesium + oxygen- magnesium oxideREACTANT 1+ REACTANT2 - PRODUCT

Which sequence of coefficient should be placed in the blanks to balance this equation?

I'm not sure which equation you are referring to. Could you please provide more details or specify the equation you are asking about?

What is the equation of sodium hydroxide with phenolphthalein with hydrochloric acid?

The equation for the reaction between sodium hydroxide (NaOH) and hydrochloric acid (HCl) using phenolphthalein indicator is:

NaOH + HCl → NaCl + H2O

Phenolphthalein is a pH indicator that turns pink in basic solutions and colorless in acidic solutions.

What is the chemical equation of phosphorus burns in oxygen to form diphosphorus trioxide?

the chemical equation of phosphorus burns in oxygen to form diphosphorus trioxide is given below .4P+5O2 -> 2P2O5

P stands for phosporous .

10 atoms of Oxygen.

on the reactants side.

On products side ,

4 atoms of phosporous and 10 atoms of oxygen.its balanced .

How many grams of Chlorine are in 7 grams of Sodium Chloride?

To find the answer, we multiply the 7 grams of NaCl by the ratio of the molar mass of chlorine over the molar mass of sodium chloride. By doing this, we find that there are about 4.25 grams of chlorine in 7 grams of NaCl.

What makes a chemical equation unbalanced?

A chemical equation is unbalanced when the number of atoms for each element is different on the reactant and product sides. This imbalance occurs when coefficients are not correctly adjusted to ensure conservation of mass. Balancing the equation involves adjusting coefficients to ensure the same number of atoms of each element on both sides.

What is the Chemical formula for NH plus CO?

The chemical formula for NH is ammonia (NH₃) and the chemical formula for CO is carbon monoxide. When they react, they form the compound HCN (hydrogen cyanide).

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