Advertisements
Advertisements
Question
State the information provided by a chemical equation.
Advertisements
Solution
Information provided by a chemical equation:
- It tells us the formulas and symbols of the reactants and products.
- It tells us the ratio in which substances react or are produced. If limitations are covered.
- It tells the physical state of substances i.e. solid, liquid, gas.
- Whether the reaction is endothermic or exothermic.
- Conditions for starting the reaction i.e. if the catalyst is needed or not.
- If reaction is reversible or not.
APPEARS IN
RELATED QUESTIONS
Write balanced chemical equations for the following word equation:
Sodium + chlorine → Sodium chloride
What is the chemical equation. How is it represented?
State what is a balanced equation with a relevant example. Give a reason why an equation is balanced with reference to the law of conservation of matter.
Balance the following equation:
\[\ce{Na2O + H2O->NaOH}\]
Balance the following equation:
\[\ce{ZnS + O2->ZnO + SO2}\]
Balance the following important equation:
CuSO4 + NaOH → Na2SO4 + Cu(OH)2
Balance the following important equation:
NH3 + CuO → Cu + H2O + N2
Balance the following important equation:
Ca(HCO3)2 + HNO3 → Ca(NO3)2 + H2O + CO2
A teacher gave two test tubes to the students, one containing water and the other containing sodium hydroxide. She asked them to identify the test tube containing sodium hydroxide solution. Which one of the following can be used for identification?
Identify the types of reaction mentioned above. Give one example for type in the form of a balanced chemical equation.
