Is the boiling point of water or the higher temperature of the water that cooks food faster in pressure cooker?

Q: What happens to the amount of 'microscopic slush' in cold water when its temperature is increased?

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Q: How does the diameter of opening in the cast iron plate of a kitchen stove change when stove is…

A: One might think that when heated, the diameter of the opening in the cast iron decreases as the cast…

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: What is meant by the statement that a thermometer measures its own temperature?

A: When we insert a thermometer in any medium it comes in thermal equilibrium with the surrounding…

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: The heating effect depends on which factors?

A: The heating effect of current depends on the following factors : The amount of time for which the…

Q: When you open the door to an air conditioned room in the summer are you letting cold air out or hot…

A: When the door to an air conditioned room in the summer is opened.   And we need to tell whether we…

Q: When putting ice in a glass of water, is it the ice that cools the water or the water that warms the…

A: Since heat transfer from higher temperature to lower temperature. Water has more temperature then…

Q: An automobile radiator is filled to the brim with water when the engine is cool. What happens to the…

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Q: aluminum has a higher specific heat capacity than iron this means that for equal masses of aluminium…

A: Answer:- Aluminum has a higher specific heat capacity than iron this means that for equal masses of…

Q: heat is absorbed by the gas in;

A: Given; P-V diagram shows: Where,   An ideal gas undergoes a four step cycle. During this cycle, heat…

Q: Heat from an oven causes the whole kitchen to get warmer.

A: Radiant energy refers to energy that travels by electromagnetic radiation such as heat or x-rays.…

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: Is it the boiling of water or the higher temperature of water that cooks food faster in a pressure…

A: Food can be cooked more quickly in a pressure cooker.

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: What makes heat transfer by radiation different from conduction and convection?

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Q: If the amount of heat energy given to an iron rod is {53} calories, then its value in joules is.

A: The heat energy given to the iron rod is 53 cal. The energy in 1 cal is  41.184 J. The heat energy…

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: The primary method of heat transfer for liquid/gas (and plasma) is

A: the primary method of heat transfer for liquid/gas is convection.

Q: Which will undergo the greater rate of cooling—a red-hot poker in a warm oven or a red-hot poker in…

A: By Newton's law of cooling, the rate of cooling is directly proportional to the difference in the…

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

A: No

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: Hot sand cools off faster at night than plants and vegetation. Then, the specific heat capacity of…

A: Given Hot sand cools off faster at night than plants and vegetation. We have choose the correct…

Q: Which warms up faster when heat is applied- iron or silver?

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Q: Why heat is called the disordered energy?

A: As the heat energy of a system increases, its entropy will increase. Entropy is a measure of…

Q: The below picture is an example of method of heat transfer. A hot alr balloon risng Into the sky the…

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Q: There is more than a single reason why pouring a cup of hot coffee into a saucer results in faster…

A: Cup is generally manufactured with insulating material. So, coffee remain hot in cup for long time…

Q: If the amount of heat energy given to an iron rod is {39} calories, then its value in joules is.

A: Given: The heat energy given to the iron rod is 39 cal.

Q: What happens to the temperature of a pan of water when evaporation exceeds the condensation?

A: Evaporation and condensation can take place simultaneously. Evaporation causes cooling. This is…

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: How does the temperature of water change when it is placed in a freezer and then begins to freeze?

A: Refrigeration is a process where any object placed inside a refrigerator cools down while we provide…

Q: How much will the temperature of the water change when it is boiling?

A: Once the temperature is reached to the boiling point of water, no further increase in temperature is…

Q: At what common temperature will a block of wood and a block of metal both feel neither hot nor cold…

A: When the temperatures of the block of wood or a block of metal are the same as the temperature of…

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: A nail made of iron and a bowl of water have the same temperature because they are on the same table…

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Q: If there is no transfer of energy between two objects then their temperature is

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Q: Do water and ice have same specific heats?

A: The specific heat capacity is the amount of heat energy desired to increase the temperature of a…