Loren has the samples of elements that are listed below at room temperature. He exposes the samples to the same heat source until each sample reaches a temperature of 90. 0°C. 10 g of Al(s) (C subscript p. = 0. 897 J/(gi°C)) 10 g of Ag(s) (C subscript p. = 0. 234 J/gi°C ) 10 g of Fe(s) (C subscript p. = 0. 450 J/gi°C) 10 g of Zn(s) (C subscript p. = 0. 387 J/gi°C ) From first to last, which lists the order in which these samples will reach 90. 0°C? Al, Fe, Zn, Ag Ag, Zn, Fe, Al Al, Fe, Ag, Zn Ag, Al, Zn, Fe.

Respuesta :

The list from first to last for the samples reaching 90 degrees Celsius has been Ag, Zn, Fe, Al. Thus, option B is correct.

The amount of heat required to raise the temperature of 1 gram of substance by 1 degree Celsius has been given by specific heat of that substance.

Thus, specific heat has been the measure of heat required for raising temperature. The substance with higher specific heat requires higher amount of heat and more time to reach the required temperature.

Listing of samples for reaching 90 degrees Celsius

The mass of all the given substances has been the same. Thus, the specific heat has been the measure of the heat required by the substances to reach 90 degree Celsius.

The specific heat of the following elements has been:

[tex]\rm Al=0.897\;J/g^\circ C\\Ag=0.234\;J/g^\circ C\\Fe=0.450\;J/g^\circ C\\Zn=0.387\;J/g^\circ C\\[/tex]

The increasing order of specific heat has been:

Ag < Zn < Fe < Al

Thus, the list from first to last for the samples reaching 90 degrees Celsius has been Ag, Zn, Fe, Al. Thus, option B is correct.

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