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White raven [17]
3 years ago
5

What changes a liquid to a gas?

Chemistry
2 answers:
MrRa [10]3 years ago
8 0

Answer:

evaporation

Explanation:

Valentin [98]3 years ago
3 0

Answer:

boiling (or vaporization)

Explanation:

At a certain temperature, the particles in a liquid have enough energy to become a gas. This process of a liquid becoming a gas is called boiling (or vaporization.)

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For the reaction shown, calculate how many moles of NO2 form when each amount of reactant completely reacts.
Anton [14]

Answer:-  2.4 mol NO_2 .

Solution:- It asks to calculate the moles of NO_2 formed when 1.2 moles of N_2O_5 are reacted.

There is 2:4 mol ratio between N_2O_5 and NO_2 . So, the moles of reactant are multiplied by the mol ratio to get the moles of NO_2 . The calculations are shown below:

1.2mol N_2O_5(\frac{4mol NO_2}{2mol N_2O_5})

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So, 2.4 moles of NO_2 are formed when 1.2 moles of  N_2O_5 were reacted.

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