When there are equal forces from opposite directions acting on an object, the forces are said to be which of the following?

1 answer:

6 0

When there are equal forces from opposite directions acting on an object, the forces are said to be which of the following? <span>C. balanced</span>

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What is the value for AG at 5000 K if AH = -220 kJ/mol and S= -0.05 kJ/(mol-K)?

Serhud [2]

Answer:

C. 30 kJ

Explanation:

Hello there!

In this case, in agreement to the thermodynamic definition of the Gibbs free energy, in terms of enthalpy of entropy:

$\Delta G= \Delta H-T\Delta S$

It is possible to calculate the required G by plugging in the given entropy and enthalpy as shown below:

$\Delta G=-220kJ/mol-5000K*-0.05kJ/mol*K\\\\\Delta G=30kJ/mol$

Therefore, the answer is C. 30 kJ .

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If the compound has a molar mass of 156 g/mol, what is its molecular formula?

oksano4ka [1.4K]

I believe that the choices for this question are:
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The answer to this based on the molar masses given is:
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To prove calculate the molar mass:
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