What are empirical scales of temperature? Why are they called so?

Q: Today’s temperature of 42 in Chicago set a record high for the month of August.” Which temperature…

A: Today’s temperature of 42 in Chicago set a record high for the month of August.”   Now in this…

Q: Define the term heat. Name and state the SI unit of heat?

A: Heat is a form of energy that is transferred form one object to another. Any thermodynamic system…

Q: Why are thermometers that are used in weather stations shielded from the sunshine?

A:

Q: For scientific work, the temperature scale is used

A: Required temperature scale used for scientific work.

Q: What are the three common temperature scales? What are the normal boiling and freezing points of…

A: The amount of heat present in the three different states of matter (solid, liquid and gas) is…

Q: burning candle is carried away by (choose one) conduction, convection, or radiation

A: Most of the heat generated by a burning candle is carried by radiation.

Q: On average, would Earth be warmer or cooler without the atmosphere? Explain your answer.

A: The water and the carbon dioxide molecules in the atmosphere absorb light ray and radiates back into…

Q: Give another application of thermal expansion that is very useful in our daily lives, or in your…

A: Thermal Expansion: This is defined as the expansion and contraction that occurs due to the change in…

Q: How will you explain temperature using kinetic theory?

A: According to kinetic theory, the gas molecules of a gas stored in a container are in constant…

Q: Finding the relationship between two temperature scales using knowledge of the freezing and boiling…

A: The boiling and freeing point of water is 100 and 0 respectively in celsius scale.

Q: Why mercury is used as a thermometric liquid?

A: Thermometric liquids are the liquid which is used in temperature measuring devices.

Q: What do you mean by term latent heat? State its SI unit?

A: Latent heat is the measure of the heat energy per mass released or absorbed during a phase change.

Q: What is calorimeter?

A: Chemical reactions in general involve an exchange of heat between the system (reactants and…

Q: What exactly is thermal pollution?

A: When the quality of the water is degraded through any process which leads to the change in the…

Q: What is a thermal energy reservoir? Give some examples.

A: Thermal energy reservoirs are those reservoir of heat from where heat can be taken or given to them.…

Q: How much calories of heat are needed to convert 500 grams of water at 30°C to steam at 150°C?…

A:

Q: Which of the following represents the heat transfer mechanism from Sun? convection radiation none of…

A: There are three process by which the heat transfers take place-convection, conduction and radiation.…

Q: Is it important to convert temperatures to the Kelvin scale when we use Newton’s law of cooling? Why…

A: The conversion between the scientific unit of temperature kelvin and degree Celsius is

Q: What are the uses of specific heat in our daily life?

A: Substances having a small specific heat capacity, are very useful as material in cooking instruments…

Q: Is it important to convert temperature to the Kelvin scale when we use Newton's law of cooling? Why…

A: The Kelvin and Celsius both are scientific unit of temperature. The conversion between them is…

Q: Calculate the difference in the temperature of water at the top and at the bottom of the waterfall…

A: The height of the waterfall,

Q: What is thermal stress? Give some examples?

A: Thermal stress is the stress created by a change in temperature of a material. They can lead to…

Q: Define absolute temperature.

A: If the temperature of an object is measured relative to absolute zero, then the temperature will be…

Q: How is a thermometer corrected to give accurate temperature readings?

A:

Q: What is the superiority of Kelvin's scale over other scales?

A: The superiority of Kelvin's scale over other scales is that

Q: How does Zeroth law leads us to the concept of temperature?

A: The Zeroth law leads us to concept of the temperature as an indicator of the thermal equilibrium.

Q: Which temperature scale has no negative temperatures?

A: Temperature scales are used to measure degree of hotness or coldness of a body. There are different…

Q: Explain thermal equilibrium?

A: If two objects are placed together and they do not exchange any heat means both are at the same…

Q: What is a kelvin scale?

A: Kelvin scale is a temperature scale where absolute zero is defined as 0 K. It is obtained by…

Q: What is thermal energy?

A: The total energy of the moving particles in a matter is known as Thermal energy.  It is the energy…

Q: What is thermal expansion?

A: when there is a variation in the temperature of the object, there is a chance for the expansion of…

Q: How are heat and temperature different?

A:

Q: What is the relationship between heat and temperature?

A: Heat and temperature are one of the two components in the thermodynamics. Heating a substance…

Q: Are there any specific uses for temperature monitoring systems, as well as benefits to using them?

A: Uses of Temperature monitoring system : The temperature monitoring system is used in our daily usage…

Q: QUESTION 1 The height of a tower made of marble is 152meters when the temperature is 40 degrees C.…

A: Given:-  The height of the tower is h = 152 meter  The initial temperature of the Tower is Ti = 40oC…

Q: What are the conditions of thermal equilibrium ?

A: Thermal equilibrium-is the state at which two bodies in contact can exchange energy freely. Systems…

Q: What is unit of thermal conductivity?

A: The unit of thermal conductivity is defined as :

Q: What is thermal energy? Give some examples?

A: Thermal Energy :- The energy hold by a body due the motion of particles or molecules  within the…

Q: Desert sand is very hot in day and very cool at night. What does this indicate about its specific…

A: The formula of the specific heat:

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.