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Furkat [3]
3 years ago
8

What is The temperature at which a substance changes from a liquid to a gas

Chemistry
2 answers:
Rainbow [258]3 years ago
6 0
The melting point for ice is at 32 degrees <span>Fahrenheit or O degrees Celsius.</span>
Zielflug [23.3K]3 years ago
3 0
In terms of what it is called, this refers to the boiling point. It is at this temperature does the liquid phase change occur to gas.
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Which statement is true about SO4 2− ?
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A meteor falls toward Earth's surface. Given that the acceleration due to
ICE Princess25 [194]

Answer:

E = 147000  J

Explanation:

Given that,

The mass of meteor, m = 50 kg

The altitude of the meteor, h = 300 m

We need to find the potential energy of the meteor. The formula for the potential energy is given by :

E=mgh

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E=50\times 9.8\times 300\\\\E=147000\ J

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4 0
3 years ago
8. The standard enthalpy of formation of RbF(s) is –557.7kJ/mol and the standard enthalpy of formation of RbF(aq, 1 m) is –583.8
garri49 [273]

Explanation:

Given

The enthalpy of formation of RbF (s) is –557.7kJ/mol

The standard enthalpy of formation of RbF (aq, 1 m) is –583.8 kJ/mol

The enthalpy of solution of RbF = Enthalpy of RbF (aq) - Enthalpy of formation of RbF (s)

= -583.8 - (-557.7)  kJ/mol

= -26.1 kJ/mol

The enthalpy is negative which means that the temperature will rise when RbF is dissolved.

3 0
3 years ago
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