Chemical Engineering

What is the specific heat of liquid sucrose?

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2007-06-30 05:32:37
2007-06-30 05:32:37

Don't know about liquid sucrose.... but the specific heat capacity of sucrose is 0.30. This means that 0.30 calories of heat are required to raise the temperature of one gram of sucrose by one degree celsius.

You sure you don't mean a sucrose solution... rather than liquid sucrose? Seems unlikely to have pure liquid sucrose, and very likely to have a water-based sucrose syrup solution. If that's the case, then it depends a great deal on the concentration of the solution itself.

According to the pdf (link to the left of this answer), the specific heat of sucrose solutions is:
40% sucrose sugar syrup: 0.66
60% sucrose sugar syrup: 0.74
However, note that it's in very strange units: Btu/lb . °F

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Generally the specific heat of a solution is just considered to be that of water. This goes for sucrose as well. This is never exactly correct, however the specific heat from substance to substance changes much less than the specific heat does per unit of mass.

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determination of specific heat capacity of liquid by method of electrical heating

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The specific heat of liquid water is 4.183 J / g K. Lithium liquid has a higher specific heat at 4.379, as does Hydrogen gas at 14.30. Helium gas also does at 5.1932 Finally, liquid Ammonia has a higher specific heat at 4.700.

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Yes they do. The effect of heat depends on the specific heat of the liquid. The higher the specific heat, the grater the amount of heat required to achieve the same temperature change.

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