Answer:
Change in temperature = 74
Explanation:
The initial Temperature of the chicken is given as 0° C. Then the question states that the chicken is added to sous-vide cooker. And the final equilibrium temperature after cooking is given as 74°C. The equilibrium temperature means that the temperature of each component in the system, such as cooker and chicken is same, which is 74°C. So, we have:
Initial Temperature = 0
Final temperature = 74
Therefore, the change in temperature during cooking will be:
Change in Temperature = Final Temperature - Initial temperature
Change in Temperature = 74 - 0
<u>Change in temperature = 74</u>
Answer:
Pressure will increase since their is not much room
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Explanation:
Nacl aq. is the best conductor of electricity as in aques state the ions become lose or mobile which are free to move and conduct electricity.
Friedrich Mohs devised a scale that tested mineral <span>hardness, </span>which means the resistance of a mineral to being scratched. This scale (from 1 to 10) is known as the Mohs Hardness Test. Objects are used as tools to perform the hardness test:
<span>fingernail (hardness = 2,5).
copper penny (hardness = 3)
glass plate or steel knife (hardness = 5,5)
<span>steel file (hardness = 6,5).
According to this scale </span></span><span>hardness of the mineral is between 5,5 and 6,5.</span>
