Define mole. - Toppr
Mole can be defined as the amount of substance that contains the same number of entities (atoms, molecules, ions etc) as the number of atoms present in 12g of the carbon −12 isotope.
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Mole can be defined as the amount of substance that contains the same number of entities (atoms, molecules, ions etc) as the number of atoms present in 12g of the carbon −12 isotope.
Mole and Equivalent Weight If we ask you to count the total number of stars in the sky, can you do that? No. Similarly, scientists can not count the exact number of atoms and molecules as they are very tiny …
A magnesium ribbon, when burnt in air, left an ash containing M gO and M g3N 2. The ash was found to consume 0.6 mole of HCl, when it was taken in solution, according to the following reaction: M g3N 2 …
Vapour pressure of chloroform (CH Cl3) and dichloromethane (CH 2Cl2) at 298 K are 200 mm H g and 415 mm H g respectively. (i) Calculate the vapour pressure of the solution prepared by mixing 25.5 g …
Click here👆to get an answer to your question ️ assuming that 135hexatrience has only pure double bounds and pure single bonds how many grams
If EC−C is 344 kJ mole−1 and EC−H is 415 kJ mole−1, calculate the heat of formation of propane. The heats of atomization of carbon and hydrogen are 716 kJ mole−1 and 433 kJ mole−1 respectively.
Molal depression of freezing point of water is 1.860 per 1000 g of water. 0.02 mole of urea dissolved in 100 g of water will produce a lowering of the freezing temperature by :
In melting process, solid convert into more free form water so entropy of universe increases in melting one mole of ice at 10∘C into water. Also natural water freezes at 0o C so in freezing one mole of …
The combustion of one mole of benzene take place at 298K and 1atm. After combustion, CO 2(g) and H 2O(1) are produced and 3267kJ of heat is liberated.Calculate the standard enthalpy of formation, Δ fH …
Click here👆to get an answer to your question ️ 1 mole of heptane vp 92mm of hg was mixed with 4 moles of octane