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why is the efficiency of a calorimeter less than 100%

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Q: What would cause the calorimeter efficiency to be less than 100 percent?
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If efficiency of converting chemical to thermal energy was 90 percent what would the overall efficiency be?

If the efficiency of converting chemical energy to thermal energy is 90 percent, the overall efficiency would depend on the efficiency of converting thermal energy to the desired output (e.g., mechanical energy or electricity). Generally, the overall efficiency would be lower than 90 percent due to losses in the subsequent conversion processes.


What would a machine that had 100 percent mechanical efficiency be called?

A machine with 100 percent mechanical efficiency would be called an ideal machine, as it would have no energy losses due to friction, heat, or other inefficiencies.


What kind of cups would you use to make calorimeter?

Styrofoam Cup


What kind of cup would you use to make a calorimeter?

Styrofoam Cup


What would cause a percent yield to be over 100 percent?

Impurities in the substance can cause a greater percent yield. I recommend redoing the lab for better results.


What is the percent efficiency of a 60W light bulb that produces 6W of light energy?

The percent efficiency would be calculated by dividing the useful output by the total input energy and multiplying by 100. In this case, the useful output is 6W (light energy produced) and the total input is 60W (electricity consumed). Therefore, the efficiency would be (6/60) * 100 = 10%.


Can a machine have 110 percent efficiency?

No, a machine cannot have 110 percent efficiency. Efficiency is calculated as output divided by input, with 100 percent being the maximum achievable efficiency. Having a value higher than 100 percent would imply that the machine is producing more output than the input provided, which is not physically possible.


What temperature would the cold reservoir need to be for a Carnot engine to achieve 100 percent efficiency?

For a Carnot engine to achieve 100 percent efficiency, the temperature of the cold reservoir would need to be absolute zero (0 Kelvin). This is because the efficiency of a Carnot engine is given by 1 - (Tc/Th), where Tc is the temperature of the cold reservoir and Th is the temperature of the hot reservoir, and efficiency is maximized as Tc approaches absolute zero.


How could you measure the calorie content of a peanut in a laboratory?

You would burn it in a calorimeter :-)


If the output of the secondary of a transformer is 1300 watts and the input of the primary is 1800 watts the percentage efficiency would be?

72 percent


Why would a machine with 100 percent efficiency be considered an ideal machine?

No heat loss = maximum output. There would be no loss of energy, which is an ideal condition.


An ideal machine would have an efficiency of?

A ideal machine would have an efficiency of 100 percent. For this to be possible, the amount of energy output by the machine would equal the amount of energy input. Because all machines have physical parts, some energy is lost to friction, heat dissipation, or other factors, so no machine can be an ideal machine.