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3 years ago

5

How much energy is needed to raise the temperature of 850g of aluminum from 22.8 °C to 194.66 if the specific heat of aluminum

1 answer:

ch4aika [34]3 years ago

3 0

Answer: I think it is 94.6 degrees Celsius

Explanation:

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If a car travels 400 meters in 20 sec how fast is it going

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400 meters every 20 seconds

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In nature, one common strategy to make thermodynamically unfavorable reactions proceed is to couple them chemically to reactions

padilas [110]

Answer:

$\triangle G= -6.7 KJ/mol$

Explanation:

From the question we are told that:

Chemical Reactions:

X=A⇌B,ΔG= 14.8 kJ/mol

Y=B⇌C,ΔG= -29.7 kJ/mol

Z=C⇌D,ΔG= 8.10 kJ/mol

Since

Hess Law

The law states that the total enthalpy change during the complete course of a chemical reaction is independent of the number of steps taken.

Therefore

Generally the equation for the Reaction is mathematically given by

$T = +1 * X +1 * Y +1 *Z$

Therefore the free energy, ΔG is

$\triangle G=1 * \triangle G*X +1 * \triangle G*Y +1 * \triangle G *Z$

$\triangle G= +1 * (14.9) +1 * (-29.7) +1 * (8.10)$

$\triangle G= -6.7 KJ/mol$

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3 years ago

Is the answer less dense?

xxMikexx [17]

I believe it is less dense.. that is why ice floats on water

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4 years ago