Can anyone tell me if my calculations are correct? Water Volume and Temperature Data Water Volume...
Can anyone tell me if my calculations are correct?
|
Water Volume and Temperature Data |
||
|
Water |
Volume (mL) |
Temperature (C) |
|
Initial |
70mL |
28.0oC |
|
Final |
95mL |
2.0oC |
|
System Heat Data |
|
|
Mass of water (g) |
70.0g |
|
Mass of ice cube (g) |
23.0g |
|
Change in water temperature (C) |
26.0Co |
|
Change in ice temperature (C) |
2.0Co |
|
Heat lost by water (J) |
7618.5J |
|
Heat gained by ice after melting (J) |
95.827J |
|
Heat used to melt ice (J) |
7522.7Jsigfig |
|
Theoretical heat to melt ice (J) |
7656.9J sigfig |
|
% Error |
1.75% |
Instructions:In this experiment, you will you will construct a simple calorimeter and use it to measure the amount of energy required to melt an ice cube. You will then compare your measured value with a theoretical prediction.
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Can anyone tell me if my calculations are correct?
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calculations and formulas please
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Based on your experimental results, please answer the
following questions:
Given the initial and final volumes of the experiment,
determine the initial mass of the water and the mass of the ice
cube. Show your work. Record your answer in the table above.
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We did the lab of latent heat of fusion of ice, and I am
confused that what the 'water equivalent' represents.
I thought it is the amount (kg) of water, but it is
mccc according to this lab manual, which unit
is (J/oC).
Please answer what the water equivalent represents and the unit
of it.
- In this experiment, an ice cube of mass mt, assumed to be at 0°C, is placed in a calorimeter containing a mass of water...
Just need a little help figuring out how to make the calculations
from my data
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