3 years ago

Is it reasonable to expect that the atom model will change again in time?

1 answer:

4 0

No but it is possible that bee data will rise to a new model based on the bohr model

You might be interested in

LUCKY_DIMON [66]

It is hydroelectric power

4 0

4 years ago

Korvikt [17]

Energy E = hc / l

where h = Planck's constant, c = speed of light and l = wavelength.

E = 1.986 * 10^-25 / 3.8 * 10^-7 = 5.223*10^-19

5 0

4 years ago

svp [43]

Your answer would be "Chemical Change"

7 0

3 years ago

Agata [3.3K]

Answer: $\Delta G_{rxn}=130.19J$

Explanation:

The balanced chemical reaction is,

$CaCO_3(s)\rightarrow CaO(s)+CO_2(g)$

The expression for Gibbs free energy change is,

$\Delta G_{rxn}=\sum [n\times \Delta G_(product)]-\sum [n\times \Delta G_(reactant)]$

$\Delta G_{rxn}=[(n_{CO_2}\times \Delta G_{CO_2})+(n_{CaO}\times \Delta G_{CaO})]-[(n_{CaCO_3}\times \Delta G_{CaCO_3})]$

where,

n = number of moles

Now put all the given values in this expression, we get

$\Delta G_{rxn}=[(1\times -394.4)+(1\times -604.17)]-[(1\times -1128.76)]$

$\Delta G_{rxn}=130.19J$

Therefore, the gibbs free energy for this reaction is, +130.19 kJ

4 0

3 years ago

Alenkinab [10]

Anything between 4 and 6 is ok.

8 0

3 years ago