Do water and ice have same specific heats?

Q: Woollen clothes are poor conductor of heat but they keeps us warm. Give reason

A: Woolen clothes are thin and there is no much air gap between the fabric. The air pockets lying in…

Q: When a body gains heat, there is always a rise in its temperature.  True or False

A: According to first law of thermodynamics , ∆Q = ∆U + W  Here ∆Q = heat change  ∆U = internal energy…

Q: Does a substance absorb or liberate any heat energy during the change of phase?

A: Phase transition is when a material transitions to a different state from a solid, liquid, or gas…

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 running hot water on a jar lid loosen it?

A: The running hot water on a jar lid loosen it because metals conduct more heat than glass.

Q: How does specific heat of metal compare to that of water?

A: The expression to determine the specific heat will be,

Q: Show that 600 J is turned into heat.

A: Heat is the form of energy which gives us the sensation of warmth or coldness.

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: Using own words, discuss latent heat.

A: The amount of heat required to change the phase of a substance at constant temperature per unit mass…

Q: If the specific heat capacity of water were less, would a nice hot bath be a longer or shorter…

A: The formula of the specific heat:

Q: Can a heat be added to a system without increasing its temperature?

A: The isothermal process in which the temperature of a system remains constant, the transfer of heat…

Q: Cite three examples in which Thermos bottle inhibits heat transfer?

A: The Thermos bottles use thermal isolation to prevent the transfer of the thermal energy or heat.

Q: Does a substance that cools off quickly have a high or low specific heat capacity?

A:

Q: When air is quickly compressed, why does its temperature increase?

A: Explanation:

Q: How does the latent heat of fusion of water help slow the decrease of air temperatures, perhaps…

A: The latent heat of water below zero degree Celsius (ice) is 334 J/g. the amount of latent heat of…

Q: Why is the water in the inner calorimeter cup gently stirred during an experiment determining the…

A: The specific heat of a substance is determined by the calorimetry experiments that involve an…

Q: At what common temperature would a block of wood and a block of metal feel equally cold or equally…

A: for any object feel equal cold or equal hot when it is touched since the temperature of any object…

Q: Which will normally warm faster - a black pot of cold water or a silvered pot of cold water?…

A: The black pot of cold water will normally warm faster than the silvered pot of cold water.

Q: Does a substance that heats up quickly have a high or a low specific heat capacity?

A: The amount of heat required to raise the temperature of unit mass of substances through one degree…

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: Calculate the amount of heat necessary to change 2.5 kg of ice at 0°C into steam?

A:

Q: If a cool cup of water is floated inside of a pot of water that is already boiling, will the water…

A: If  cup is conductor of heat the water can boil when its temperature reaches to 100 degree celsius.…

Q: When can you add heat to object without raising its temperature?

A: When two phases co-exists in a system, any heat added or removed from the system will result in…

Q: Old-time kitchen lore suggests that things cook better (evenly and without burning) in heavy…

A: heavy cast-iron pots

Q: When will water boil at a temperature of less than 100°C?

A: Yes, the water can boils at a temperature less than 100 degree Celsius.

Q: Is metal a good heat shield?

A: heat shield means the protection form heat

Q: ......... is the flow of energy from warmer matter to cooler matter. Is it heat or conduction?

A: Conduction is a process of heat transfer in the solids. When two solid objects at different…

Q: Calculate the amount of heat necessary to change 1.5 kg of ice at 0°C into steam?

A: Latent Heat: It is the amount of heat required to change the state of matter from one form to…

Q: Air is a bad conductor of heat , but still we donot feel warm without clothes, Why?

A:

Q: When heat flows from a warm object in contact with a cool object., do both objects undergo the same…

A: No

Q: What is heat of compression?

A:

Q: Show that heat always flows from high temperature to low temperature.

A: Heat always flows from high temperature to low temperature because of Second law of thermodynamics

Q: Why is being burned by steam more damaging than being burned by water at the same temperature (100…

A: when the state of any matter changes from one state to another state  its temperature when the state…

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: In terms of heat flow, explain why silverware feels cold to touch?

A: Answer:-  Metal(silverware) feels cold because it conducts heat extremely well.  Since room…

Q: How a thermometer works?

A:

Q: How are you quickly able to bring a pan of water to a boil when water is poor conductor of heat?

A: The conductivity of water is less than that of most metals but greater than that of air. Even though…

Q: When will water boil at the temperature of less than 100 degree C?

A: The process boiling occurs when the pressure of the atmosphere is equal to the pressure of liquid.…

Q: If you have steel and wood at 0 °C, which feels colder? If you have steel and wood at 100 °C, which…

A: Material having high thermal conductivity transfers heat more easily. Case 1. Metals usually have…