Answer:
Weatherization or weatherproofing is the practice of protecting a building and its interior from the elements, particularly from sunlight, precipitation, and wind, and of modifying a building to reduce energy consumption and optimize energy efficiency.
Answer:
It well melt.While theother one will dry
Explanation:
Answer:
energy flow and nutrient cycles ( photosynthesis , food webs, decomposition webs) sediment transport and soil formation. the water cycle. reproduction/ regeneration mechanisms.
Enthalpy change is the difference between energy used and energy gained. The change in enthalpy of the liquid mercury is 0.0231 kJ.
<h3>What is the enthalpy change?</h3>
Enthalpy change is the difference between the energy used to break chemical bonds and the energy gained by the products formed in a chemical reaction.
The enthalpy change is given by,
![\rm \Delta H_{rxn} = \rm q_{rxn}](https://tex.z-dn.net/?f=%5Crm%20%5CDelta%20H_%7Brxn%7D%20%3D%20%5Crm%20q_%7Brxn%7D)
and,
![\rm q = mc\Delta T](https://tex.z-dn.net/?f=%5Crm%20q%20%3D%20mc%5CDelta%20T)
Given,
Mass of the liquid mercury (m) = 11.0 gm
The specific heat of mercury (c) = 0.14 J per g per degree Celsius
Temperature change = 15 degrees Celsius
Enthalpy change is calculated as:
![\begin{aligned} \rm q &= \rm mc\Delta T\\\\&= 11 \times 0.14 \times 15\\\\&= 23.1 \;\rm J\end{aligned}](https://tex.z-dn.net/?f=%5Cbegin%7Baligned%7D%20%5Crm%20q%20%26%3D%20%5Crm%20mc%5CDelta%20T%5C%5C%5C%5C%26%3D%2011%20%5Ctimes%200.14%20%5Ctimes%2015%5C%5C%5C%5C%26%3D%2023.1%20%5C%3B%5Crm%20J%5Cend%7Baligned%7D)
Therefore, 0.0231 kJ is the change in enthalpy.
Learn more about enthalpy change here:
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Work is defined energy transferred from one to another.
The formula for work done is work done = force x distance
So in our problem, force is equal to 80 kg/ m / s^2 and distance is equal to 1.25 meters. So plugging in our values will give us:
work done = 80 kg/ m/ s^2 * 1.25 m
= 100.00 J is the answer.