The heat of volcanoes and natural hot springs comes from trace amounts of radioactive minerals in common rock in Earth’s interior. Why isn’t the same kind of rock at Earth’s surface warm to the touch?

Q: If you vigorously shake a can of chicken broth back and forth for more than a minute, will the…

A: Yes increases.

Q: The patient's fever, it turns out, is being caused by the patient's own body generating too much…

A: Given The patient will produce 1683 joules of excess heat each minutefor 12 full hours before the…

Q: Outdoors in winter, Why does a piece of metal feel colder than piece of wood?

A: Due to the thermal conductivity of the metal, the metal feels colder than the wood.

Q: Which two factors affect the amount of thermal energy an object has?

A: Thermal energy is total energy caused by motion

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: Which has more heat: 1g of ice at 0 degree C or 1g of water at 0 degree C? Give reason.

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

Q: Many American homes have an outdoor pool for the children. On a hot summer day, why do the children…

A: American uses outdoor pool for children. Children find relief in the pool

Q: A temperature difference of 1 degree Fahrenheit is also equal to a temperature difference of 1 on…

A: Given. Temperature difference=1°F 1°F=59 degree celcius A difference in 1 degree fahrenheit is same…

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: Which two factors affect the amount of thermal energy an object has?

A: Two factors that affect the amount of thermal of an object are  1) The average kinetic energy of the…

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: On a cold winter morning, why does the metal of a bike feel colder than the wood of a porch?

A: The thermal conductivity of the metal of a bike is higher when compared to that of the thermal…

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: A block of material has a mass of 130 kg and a volume of 4.6 x10^-2 m^3. The material has a specific…

A: Given,mass(m)=130kgintital volume(v0)=4.6×10-2m3specific heat capacity(C)=750J/kgC°Coefficient of…

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

A:

Q: Why does an iron ball seem to have a lower temperature than a wooden ball despite having the same…

A: iron ball seem to have a lower temperature than a wooden ball despite having the same temperature

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: Since all the objects emit energy to the surroundings, why don't the temperature of all the objects…

A: An object which is a good energy emitter will be also very good absorber. Such bodies are said to be…

Q: Sslg ala The body loses.. Of its heat body through * radiation 40% O 65% O 30% O 2% O 85% O

A: Radiation is the process in which there is a transfer of heat from one object to other without any…

Q: The specific heat of a substance varies with temperature according to c = 0.24 +0.47T+0.049T2, with…

A: Variation of specific heat with temperature : c = 0.24 + 0.47T + 0.049T2 mass (m) = 7.9 g Initial…

Q: When determining the specific heat of a metal specimen, why must the water in the inner cup be…

A: Determining Specific Heat

Q: Since all objects emit energy to their surroundings, why don’t the temperatures of all objects…

A: The method of heat transfer which doesn't require any medium is radiation. In radiation, heat is…

Q: What examples of heat transfer by conduction, radiation, and convection do you encounter when using…

A: Heat transmission is a straightforward physical process. During the heat transmission process,…

Q: When you step out of a swimming pool on a hot , dry day in the southwest , you feel quite chilly.…

A: When heat flows from our body, we feel chilly.

Q: An old method for breaking boulders was to put them in a hot fire and then to douse them with cold…

A: This is because of sudden thermal expansion and contraction

Q: The equation for the power emitted by the human body is P = (5.67 × 10^-8)AT^4. If the area of the…

A: power emitted P =5.67x10-8 AT4 P emitted = σεA T4 Power radiated  = σεA (T4 - T04) Power radiated…

Q: Why does a piece of watermelon stay cool for a longer time than sandwiches do when both are removed…

A: Given:  watermelon and sandwiches

Q: Heat flows from one body to another when they have O a. different heat contents. O b. different…

A:

Q: A 0.50 cm thick piece of copper has an area of 4.0 cm2. One side of the copper is at a temperature…

A: Given that, A 0.50 cm thick piece of copper has an area of 4.0 cm2. One side of the copper is at a…

Q: During daytime at the beach, the sand is hotter than the water in the sea. Why is this so?

A: The specific heat of water is high which is 4200 J/kg C.

Q: Why is it important to know the specific heat of materials? please explain

A: Specific heat capacity is a measure of the amount of heat energy required to change the temperature…

Q: You apply a flame to 1 L of water for a certain time and its temperature rises by 2°C. If you apply…

A: Q = m C dt  Q is the heat applied  m is the mass / quantity of the material C is the specific heat…

Q: Consider two walls of a house that are identical except that one is made of 10-cm-thick wood, while…

A:

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: A piece of wood lying in the Sun absorbs more heat than a piece of shiny metal. Yet the metal feels…

A: A piece of wood lying in the Sun absorbs more heat than a piece of shiny metal.

Q: You apply a flame to 2 L of water for a certain time and its temperature rises by 2°C. If you apply…

A: You apply a flame to 2 L of water for a certain time and its temperature rises by 2°C. If you apply…