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Energy loss due to leaks in the calorimeter

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โˆ™ 2011-03-02 02:40:32
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A polynomial of degree zero is a constant term

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Q: What are the sources of error in the experiment calorimetry measurement?
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What is approximation error?

An approximation error is the discrepancy between an exact value and the approximation to it. This occurs when the measurement of something is not precise.


What is the difference between standard error and standard deviation?

Standard error is the difference between a researcher's actual findings and their expected findings. Standard error measures the accuracy of one's predictions. Standard deviation is the difference between the results of one's experiment as compared with other results within that experiment. Standard deviation is used to measure the consistency of one's experiment.


Tell which measurement is more precise 178 in or 12 ft?

They are both as precise as the measuring tools. Precision is affected by the error introduced by the measurement or in a dimension, often known as the tolerance.A measurement in inches has a greater resolution than one in feet. 12 times the resolution in fact. However, a measurement of 178 inches that can be up to 15% out is not as precise as a measurement of 12 feet with a 1% possible error.


The height of a plant is 45 cm with an estimated absolute error of 0.9 cm what percent is the relative error?

To get the relative error is the maximum error over the measurement. So the maximum error is the absolute error divided by 2. So the maximum error is 0.45. The relative error is 0.45 over 45 cm.


Describe how to find the percent error in a calculation?

Percent error is typically used to describe the difference between an expected value and an observed value (measured in an experiment). To calculate percent error, you must know the expected (or theoretical) value, determined from reference manuals and formulas. Percent error = [(actual measured value)/(expected value) - 1] x 100% Let's say that you do a chemistry experiment, where you expect to use 30 mL of a hydrochloric acid solution to neutralize a prepared solution of sodium hydroxide. When you perform the experiment, you actually use 30.2 mL of hydrochloric acid solution. Percent error = [(30.2 mL) / (30 mL) - 1] x 100% = 0.667 % error

Related questions

What are the sources of error during the experiment?

contamination


Sources of error in measurement?

These are related with the precaution to be taken.


What are sources of systematic error in a titration experiment?

The most common sources of systematic error in a titration experiment are errors in calibration. The concentrations of substances used could be incorrect.


What are sources of error in principle of moments experiment?

What are some precautions and source of error in the principle of moments


Why do scientists identify sources of error in their experiment?

this is important to be her formula is correct.


What are Precautions and sources of error of diffraction grating experiment?

taking the measurements


Does the final temperature from the experiment equal to the final temperature from the calculation?

It should but it probably will not because of: experimental error measurement error calibration error (zero error)


How do you overcome sources of error in a lab experiment?

Complete the laboratory as carefully and exactly as you can.


What are the sources of error when performing a lab experiment on uniform circular motion?

radius


Give some possible sources of error in the experiment?

Light, Atmophere, temperature


What are sources of error in a calorimetry lab?

3 main sources of error would be first that the cup is not closed and therefore a lot of the heat would not be kept in the cup. Also the pellets could have been either too hot or too cold when they were placed in the cup.


What is a percent error?

It is a measure measurement of the amount of error made in an experiment. It is obtained by comparing the actual result, with the result gotten from the experiment. % error = [(experimental value - true value) / true value] x 100

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