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What is a molecule?...

What is a molecule?

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What are molecules?

Hydrogen and chlorine combine to form hydrogen chloride gas. What is the molecule ratio of the gases? Name the law.

Bromoform has a normal has freezing point of 7.734^(@)C and K_(f)=14.4^(@)C// m .a solution of 2.60 g of an unknown substance in 100 g of freezes at 5.43^(@)C . What is the molecules mass of the unkniwn substance ?

When 36.0 g of a solute having the empirical formula CH_(2)O is dissovled in 1.20 kg of water, the solution freezes at -0.93^(@)C . What is the moleculer formula of the solute ? ( K_(f) = 1.86^(@)C kg mol^(-1) )

When a solid is heated, what happens to its molecules?

When a gas is cooled, what happens to its molecules?

At what condition atoms and molecules can be treated as electric dipoles ?

A segment of DNA molecule contains 20,000 base pairs. What is the number of phosphate molecule in this DNA molecule ?

Write the number of H atoms in a molecule of alkyne if the number of C atoms is four. What is the formula of this molecule?

What are the conditions which must be satisfied for H -bonding to take place in a molecule.