Desert sand is very hot in day and very cool at night. What does this indicate about its specific heat capacity?

Q: Why is a calorimeter box made up of Copper?

A: A calorimeter box is made up of Copper because i) Cu has low SHC & thus it reaches the…

Q: How does the specific heat capacity of water compare with the specific heat capacities of other…

A: Water has highest specific heat capacity equal to . It means that to boil 1 kg of water by 1 K, heat…

Q: Loose-fitting white clothing covering most of the body is ideal for desert dwellers, both in the hot…

A:

Q: It is a hot summer day 50 degrees C. How much heat in calories is needed to freeze a puddle of water…

A: The heat energy is absorbed by the water molecules and begin to dissociate from one atom into…

Q: Show that 3000cal= 12,570J , the same quantity of thermal energy in different units.

A:

Q: Does the temperature of a body depend on its size?

A: Answer : No  Temperature is an intensive property it does not depend on the size. Example : If you…

Q: How is heat capacity of a body related to specific heat capacity of its substance?

A: Heat capacity is defined as the heat required in raising the temperature of a substance by 1 degree…

Q: What is calorimeter?

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

Q: Why does the high specific heat of water have to do with convection currents in the air at the…

A: Water has a high specific heat capacity (of 4200 J/Kg°C) on the seashore and the land has a much…

Q: Why should we wear cotton clothes in summer?

A: We sweat more in the summer session. Cotton is a strong water absorber helps to absorb the sweat and…

Q: Why do woolen blankets keep us warm better than cotton sheets?

A: In the woolen blanket, there are more gaps. So, more air are confined within woolen blanket. Air is…

Q: Adding the same amount of heat to two different objects does not necessarily produce the same…

A:

Q: Two different objects receive the same amount of heat. Give at leasttwo reasons why their…

A: To determine: The reasons why the temperature changes will not be same for the two different objects…

Q: In what forms is thermal insulation available?

A: Thermal insulation is the process of reducing heat from the surroundings. It can be done using many…

Q: Which has greater specific heat capacity- an object that cools quickly, or an object of the same…

A: Specific heat capacity is the amount of heat energy that must be added to unit mass of a substance…

Q: The type of heat transfer that occurs in liquids and gases, such as warm air rising and cold air…

A: Convection:  It is a mode of heat transfer which occurs by the motion of a fluid due to density…

Q: Which is largest unit of heat transfer- Calorie, calorie, joule?

A:

Q: What generally happens to the temperature of rising air and sinking air?

A: If the Air sinking down compresses air at the surface, raising temperatures near the ground. The…

Q: How is heat transfer related to temperature?

A: Heat and temperature are related to each other but these are different quantities. Temperature is a…

Q: Specific heat capacity of ice is 0.5 cal/g °C. What will be this value in J/kg °C O a. 8761298 O b.…

A: Dear student 1 calorie is equal to 4.184 Joules. Joule is unit of heat in SI sysyem. And these are…

Q: Is fur a source of heat to our body?

A: Step 1Animals maintain their body temperature by thermo regulation.

Q: What are applications of thermal expansions?

A: The tendency of matter to change its shape, area, and volume in response to a change in temperature…

Q: what is the purpose of determining the cooling constant?

A: According to the Newton's law of cooling, The cooling rate is proportional to the temperature…

Q: What type of heat transfer helps the balloon rise?

A: To determine the mode of heat transfer that helps the balloon to rise.

Q: If equal amounts of heat are added to different masses of water, their temperatures go up the same.…

A:

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: If water had a lower specific heat capacity, would ponds be more likely to freeze or less likely to…

A: A lower heat capacity means that less energy must be transferred to result in a temperature change.

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: On cold, clear nights horses will sleep under the cover of large trees. How does this help them keep…

A:

Q: Why is sweating an efficient mechanism for cooling off on a hot day?

A: There will be evaporation of water and other liquids present on human’s skin into the air. The…

Q: A 3.0-inch wall of fire brick, k = 8.0 Btu / (ft2)(hr) (°F/ in) has one surface at 335°F, the other…

A: Find the heat conducted through an area of the wall. P=dQdt=kATH-TCd

Q: What does the high specific heat of water have to do with convection currents in the air at the…

A: Specific heat capacity is the amount of heat energy required to raise the temperature of unit amount…

Q: The cover of a solar coker is made of glass because:    A) it absorbs sun's rays B) it reflects…

A: The glass always produces the green house effect. It does not allow the smaller wavelength to escape…

Q: In what ways are Heat and Temperature different? How are they related?

A: Heat is a form of energy. Temperature is the physical quantity which gives the degree of hotness of…

Q: Specific heat capacity of ice is 2093 J/kg °C. What will be this value in cal/g °C O a. 0.5 O b. 1…

A:

Q: While running, you need to transfer 300 J/s of thermal energy from your body to the moisture on your…

A:

Q: How does a fan help us feel cooler in the summer?

A: Given fan help us feel cooler in the summer we have to find the cause of the above mentioned…

Q: Distinguish between a calorie and a joule?

A: Both calorie and joule are the units of energy. The main difference in both the units is that a…

Calorimetry

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