Contribute & Test Your Skills
- Some Basic Concepts in Chemistry
- States of Matter
- Atomic Structure
- Chemical Bonding & Molecular Structure
- Chemical Thermodynamics
- Solutions
- Equilibrium
- Redox Reactions & Electrochemistry
- Chemical Kinetics
- Surface Chemistry
- Purification & Characterisation of Organic Compounds
- Hydrocarbons
- Chemistry in Everyday Life
- Principles Related to Practical Chemistry
- Organic Compounds Containing Halogens
- Organic Compounds Containing Oxygen
- Organic Compounds Containing Nitrogen
- Alcohol, phenol & Ether
- Organic Chemistry Principles
- Biomolecules & Polymers
- Classification of Elements & Periodicity in Properties
- Hydrogen
- S & P block Element
- D & F - Block Elements
- Co-Ordination Compounds
- Environmental Chemistry
- General Principles & Processes of Isolation of Metals
- JEE Chemistry Discussions
- Aldehydes, Ketones & Carboxylic Acid
- Nuclear Chemistry
- Atom & Molecules
- Redox Reaction
- Aromatic Hydrocarbons
- Halogen Derivatives
- Carboxylic Acids & Derivatives
- Nitrogen Containing Compounds
- Bio Molecules
- Chemistry In Action
- Extraction of Metals
- Chemical Analysis
- Ores, Minerals and Metallurgical Extraction
Popular Questions
- A gaseous system during a thermodynamics process does not undertake any volume change.It is called
- A well stoppered thermos flask contains some ice cubes. This is an example of a
- Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be
- In order to decompose 9 g water 142.5 kJ heat is required. Hence, the enthalpy of formation of water is
- Changes in a system from an initial state to the final state were made by a different manner that ΔH remains same but q change..
- If w is the amount of work done by the system and q is the amount of heat supplied to the system. Identify the type of the system
- the entropy Change involved in the isothermal reversible
- Calculate the amount of heat evolved when 500 cm^3 of 0.1 M HCl is mixed with 200 cm^3 of 0.2 M NaOH.
- the vapour pressure of acetone at 20 degree C is 185 torr. when 1.2 g of a non - volatile
- How many joules of heat are absorbed when 70.0 g of water is completely vaporised at its boiling point ?
- Conditions of standard state used in Thermochemistry is
- a pistol filled with 0.04 mol of an ideal gas expands
- Which of the following is true for an adiabatic process
- Which of the following are not state functions
- Point out the wrong statement in relation to enthalpy
- The bond energy (in kcal mol^-1) of C-C single bond is approximately
- Which of the following units represent the largest amount of energy
- The cooling in refrigerator is due to
- A gas undergoes a thermodynamical process but the volume of the gas does not change. What is the nature of this process ?
- It is general principle that the less energy a system contains, it is
- Which of the following is not a state function
- The heat of combustion of carbon to CO2 is - 393.5 kJ/mol. The heat released upon formation of 35.2 g of CO2 from carbon and oxyge..
- Mark the correct statement
- Energy equivalent to one erg, one joule and one calorie is in the order
- In thermodynamics which one of the following is not an intensive property
- For the cyclic process
- A reaction occurs spontaneously if
- The temperature of the system decrease in an
- If a refrigerators door is opened,then we get
- One calorie is equal to
- Among them intensive property is
- The process, in which no heat entres or leaves the syatem, is termed as
- the standard enthalpy of formation of NH 3 is - 46.60 kj mol^-1.
- Which of the following is an intensive property ?
- Internal energy does not enclude
- standard entropy of x^2, y^2 and xy 3 are 60, 40 and 50 j
- Which of the following is the correct option for free expansion of an ideal gas under adiabatic condition
- The reaction X -y is an exothermic reaction. Activation energy
- For an isolated system, ΔU = 0, then
- in a fuel call, methanol is used as fuel and oxygen gas is used
