courses:phy101l:5
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| courses:phy101l:5 [2023/12/01 04:32] – asad | courses:phy101l:5 [2023/12/07 05:46] (current) – [2. Method and data] asad | ||
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| - | ====== 5. Heat capacity of solids and liquids ====== | + | ====== 5. Heat capacity of liquids ====== |
| [[https:// | [[https:// | ||
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| $$ c_k = \frac{m_w c_w \Delta T_w}{m_k \Delta T_k} $$ | $$ c_k = \frac{m_w c_w \Delta T_w}{m_k \Delta T_k} $$ | ||
| - | which can be used to measure $c_k$. | + | which can be used to measure $c_k$. |
| - | + | ||
| - | * $c_w = 4.19$ J g$^{-1}$ K$^{-1}$ | + | |
| - | * $c_k = 2.40$ J g$^{-1}$ K$^{-1}$. | + | |
| - | + | ||
| - | Define specific heat capacity using the unit given above. | + | |
| Calculate the mass of water and kerosene given the volume $V$ and density $\rho$ using the relation | Calculate the mass of water and kerosene given the volume $V$ and density $\rho$ using the relation | ||
| $$ \rho = \frac{m}{V} \Rightarrow m = V \rho. $$ | $$ \rho = \frac{m}{V} \Rightarrow m = V \rho. $$ | ||
| + | |||
| + | The volume is 100 ml where 1 ml = 1 cm$^3$. The densities of water ($\rho_w$) and kerosene (\rho_k) are given below. | ||
| + | |||
| + | ^ Material ^ Density [g cm$^{-3}$] ^ Specific heat capacity [J g$^{-1}$ K$^{-1}$] ^ | ||
| + | | Water | $1.00$ | $4.19$ | | ||
| + | | Kerosene | $0.82$ | $2.40$ | | ||
| ===== - Method and data ===== | ===== - Method and data ===== | ||
| + | ==== - List of apparatus ==== | ||
| + | - Beaker | ||
| + | - Thermometer | ||
| + | - Water, kerosene Oil | ||
| + | - Stopwatch | ||
| + | - Sprit Lamp | ||
| + | - Wire Gauze | ||
| + | - Tripod | ||
| + | |||
| + | ==== - Setup and procedure ==== | ||
| + | - Ordered List Item 1 | ||
| + | - Ordered List Item 2 | ||
| + | ==== Data table ==== | ||
| ^ Time [min] ^ 100 ml Water ^ 100 ml Kerosene ^ | ^ Time [min] ^ 100 ml Water ^ 100 ml Kerosene ^ | ||
| | 0 | | | | | 0 | | | | ||
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| ===== - Graphical analysis ===== | ===== - Graphical analysis ===== | ||
| - | ===== - Heat capacity ===== | + | ===== - Specific heat capacity ===== |
| ===== - Discussion and conclusion ===== | ===== - Discussion and conclusion ===== | ||
courses/phy101l/5.1701430329.txt.gz · Last modified: by asad
