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Katyanochek1 [597]
3 years ago
7

Describe the motion of a ball being thrown straight up in the air in terms of kinetic and potential energy. as the ball rises up

and falls back down, how is its kinectic and potential energy affected?
Chemistry
1 answer:
denis23 [38]3 years ago
8 0
In your hand, the ball has higher potential energy than kinetic because it is still off of the ground but it isn't moving so there is no kinetic. As the ball rises, its potential and kinetic energy increases. At its peak, it has very high potential energy and very low kinetic energy. As it falls, the potential energy decreases but kinetic does not.
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For some reaction carried out at constant atmospheric pressure and at a constant temperature of 25◦C, it is found that ∆H = −38.
kompoz [17]

Answer: ΔG =23.169kJ/mol

Explanation:

Solution

To Calculate Gibbs free energy ΔG for the reaction above we use the equation ΔG=ΔH−TΔS.

Where

ΔH= 38.468 kJ/mol = 38468 J/mol

∆S = +51.4 J mol−1 K−1).

T = 25◦C =298k

ΔG= 38468J/mol−298k(51.4 J mol−1 K−1).

ΔG = 38468 J/mol - 15317.2J/mol

ΔG = 23168.8J/mol

ΔG =23.169kJ/mol

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\huge \color{darkblue}P₂S_{5}

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6 0
2 years ago
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Which of the following is an example of a molecule?
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What attractive forces must be overcome when CsI is dissolvedin<br> liquid HF?
bagirrra123 [75]

Answer:

The attractive forces must be overcome are :

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  • Dipole - Dipole  
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Explanation:

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