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Question
Balance the following equation:
\[\ce{S + HNO3 -> H2SO4 + NO2 + H2O}\]
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Solution
\[\ce{S + 6HNO3 -> H2SO4 + 6NO2 + 2H2O}\]
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RELATED QUESTIONS
What are the various ways in which a chemical equation can be made more informative? Give examples to illustrate your answer.
One of the following does not happen during a chemical reaction. This is:
(a) Breaking of old chemical bonds and formation of new chemical bonds
(b) Formation of new substances with entirely different properties
(c) Atoms of one element change into those of another element to form new products.
(d) A rearrangement of atoms takes place to form new products.
Which of the following does not involve a chemical reaction?
Which of the following is not an endothermic reaction?
(a) CaCO3 → CaO + CO2
(b) 2H2O →2H2 + O2
(c) 6CO2 + 6H2O → C6H12O6 + 6O2
(d) C6H12O6 + 6O2 → 6CO2 + 6H2O
The removal of oxygen from a substance is called:
(a) oxidation
(b) corrosion
(c) reduction
(d) rancidity
Write word equation for the following skeletal equation:
\[\ce{FeCl2 + Cl2 -> FeCl3}\]
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of salt formed.
The chemical reactions in which heat is liberated are called endothermic reactions.
Name the substances that are getting oxidised and reduced in the process.
Give an example of a chemical equation in which two reactants form:
four product
