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Ilya [14]
3 years ago
6

In order to change a solid to a liquid or a liquid to a gas, what is needed?

Chemistry
1 answer:
Neporo4naja [7]3 years ago
6 0
Heat; rather, or change of the molecules to make them move faster
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how much people there are example a small town have 500 people living in that town

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Which of these refers to the concentration of an acid?
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The concentration of an acid IS A MEASURE OF THE QUANTITY OF ACID DISSOLVED IN WATER THAT IS DESIGNATED BY MOLARITY.

Acids are always aqueous solutions, that is they are always dissolved in water. The concentration of an acid refers to the quantity of hydrogen ions that are present in the acid. If an acid contain a large quantity of hydrogen ion, it will be described as concentrated acid and if it contains a little quantity of hydrogen ion it will be described as diluted acid. The quantity of hydrogen ion [pH] in acids ranges from 1 to 6; 1 is very acid acidic and 6 is the least acidic.

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16. Predict how the wavelength and frequency of a wave would change if the amount of energy it carried was increased.
pishuonlain [190]

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1.- The energy of a wave will increase the frequency due to the increase in the speed of the wave.

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5 0
2 years ago
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How many grams of KBrO2 are there in 0.168 moles
Mnenie [13.5K]

Hey There!

Molar mass KBrO2 = 151.0011 g/mol

1 mole KBr --------- 151.0011 g

So in 0.168 moles :

mass = number of moles * molar mass

mass = 0.168 * 151.0011

mass = 25.36 g of KBrO2

5 0
3 years ago
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