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Specific heat represents the amount of heat required to change a unit mass of a substance by one degree Celsius. This is expressed mathematically as: #q = m * c * DeltaT#, where. #q# - the amount of heat supplied; #m# - the mass of the substance; #c# - the respective substance's specific heat; #DeltaT# - the change in temperature.
The specific heat, or more fully, the specific heat capacity is a measure of how much energy it takes to increase the temperature of 1 kilogram of a substance by 1 degree Celsius (or Kelvin). For ...
The specific heat of metals are lower than that of water. Specific heat capacity is the measurement of how much energy (in J) has to be added to 1 kg of a substance to increase the temperature of that substance by 1^oC. Simply, substances with a low specific heat capacity heat up quickly - but then they lose their heat quickly. Substances with a high specific heat capacity require a large ...
Follow a step-by-step procedure to estimate the specific heat of a metal in the lab and, learn how to calculate it using the specific heat of metal formula. Related to this Question (a) Compare and contrast the physical and chemical properties of the Group 1A metals with those of the Group 2A metals.
The formula for specific heat then comes: Q=cm #Delta# T with Q=heat/energy added (Joules) c=specific heat (joule/gram degree Celsius) m=mass (gram) #Delta# T=change in temperature (We can deduce that substances with a high specific heat require a lot of heat to have their temperature raised by one degree. On the other hand, substances with a ...
Specific heat capacity is heat capacity per gram. Anything with a low density will have fewer degrees of freedom per gram, by definition, and therefore a lower specific heat. If you compare molar heat capacities, then Al is about the same as any other metal (e.g. Al 24.3 J/K-mol, Cu 24.5 J/K-mol) and not very different from air (e.g. N2 21 J/K ...
It will heat/cool more quickly than a high specific heat compound. Specific heat is J/(g-^oK). So, a high value means that it takes MORE energy to raise (or lower) its temperature. A low value means that it does not take very much energy to heat or cool it. Adding heat to a “low specific heat” compound will increase its temperature much more quickly than adding heat to a high specific heat ...
Differences in temperature cause heat transfer, so a larger difference in temperature between the calorimeter and the surrounding air would mean more heat transfer from the calorimeter to the surroundings. Case 2: Calorimeter made of material with high specific heat. If the calorimeter had a high specific heat, it would absorb more heat, but ...
It has importance in terms of energy, time and costs involved in changing temperatures of objects. Specific heat capacity is a measure of the amount of heat energy required to change the temperature of 1 kg of a material by 1 K. Hence it is important as it will give an indication of how much energy will be required to heat or cool an object of a given mass by a given amount. This will give ...
For Specific Heat the amount of a substance is irrelevant and its value is largely determined by the degrees of freedom for the constituent particles. The more degree of freedom, other than transnational, the higher the Specific Heat. An example of another degree being rotational energy which does not contribute to Temperature changes.