What are fuel cells and reactions takes place in it?, In recent years, the ...

In recent years, the scientists have designed the cells which convert chemical energy of a fuel directly into electrical energy. These cells are called fuel cells. These are the vo

Bad teacher, can you help me with understanding chemistry?

can you help me with understanding chemistry?

Calculate heat energy required, Calculate how much heat energy is required ...

Calculate how much heat energy is required to raise the temperature of a cube of copper of side 2cm. from 300 to 320k. given: density=8933kg/m cube , atomic weight=63.55, cp=24j/k/

Calculate the combustion energies of 1 mol of propane, Calculate the combus...

Calculate the combustion energies for the burning of 1 mol of propane and butane. It can be supposed that all reactants and products are obtained under standard conditions.

Molar conductivity, What do you understand by molar conductivity at infinit...

What do you understand by molar conductivity at infinite dilution

Carboxylic acids and their derivatives, After making an ester by heating a ...

After making an ester by heating a carboxylic acid with alcohol in the presence of concentrated sulfuric acid, water is added to the mixture and the ester seperates out as oily lay

Determine total number electrons in nitrate ion, Nitrogen atom has an atomi...

Nitrogen atom has an atomic number of 7 and oxygen has an atomic number 8. The total number of electrons in a nitrate ion will be: (1) 8        (2) 16      (3) 32

Ionic bond,

Thermodynamic chemistry, How can i derive third law from nernst heat theore...

How can i derive third law from nernst heat theorem

Laws of crystallography, how many laws of crystallography?

how many laws of crystallography?