Specific heat of a substance is the amount of heat required to change the _____ of 1 kg of this substance _____. A. Temperature by 1 K with no change in its physical state B. Temperature by 1 K while changing it from liquid to gas C. Temperature by 1 K while changing it from solid to liquid D. physical state from liquid to gas

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: How much heat energy a heater needs to provide to heat up air in a 2,829-cubic feet room from 52…

A: Given data: Volume of air (V) = 2829 ft3 Initial temperature (T0) = 52°F Final temperature (T) =…

Q: 4. A calorimeter contains 1.500kg of water at 80.0°C. Then 0.500kg of ice at -5.00 Cis added to the…

A: The heat capacity of water is C= 4.187 kJ/ kg K and for ice, it is c = 2.108 kJ/kg K.

Q: 10. A 0.400-kg of ice is initially at temperature of –12.0 °C. How much heat is required to melt…

A: In the process of melting of ice, two steps occur-Firstly the ice is heated to temperature 00 C and…

Q: An electronics device generates 33.4 W of heat energy during normal operation.  The heat is…

A: Rate of heat generation,  Ambient air temperature,  Area of the top surface,  Convection heat…

Q: How is temperature measured? Describe the physical quantities of temperature?

A: Temperature of an object can be measured by using thermometer. There are many temperature scales…

Q: When a driver brakes an automobile, the friction between the brake drums and the brake shoes…

A: Given  Mass of car M = 1550 kg  m = 32 kg . Velocity v = 28 m/s  Specific heat of iron  c = 448 J/kg…

Q: homeowner is planning on adding cooling to the air conditioning for hishouse. What is the volume of…

A: To calculate the volume of the space needed to be cooled, the air conditioner should by placed at…

Q: How much heat is absorbed by contacting 15 grams of 100°C steam by a student’s hand.  The steam is…

A: Heat given by steam is absorbed by hand .

Q: An automobile cooling system holds 16 L of water. The specific heat of water is 4186 J/kg · C°. Part…

A:

Q: eat and temperature? What units are

A: heat and temperature

Q: (1a). Figure shows a person is warming his hands over the fire. Explain in detail how the heat…

A: The given figures show fire worming hand of a person this phenomena can easily understand by I hate…

Q: 4. Which answer describes a way that a liquid can be turned into a gas? A. Apply enough heat to…

A:

Q: A value of H (where H is the net rate of radiation from a body) indicates a net heat flow into the…

A: H is the net rate of radiation from a body .Here sign of H will determine the nature or direction…

Q: A 242.0 g china serving bowl is warmed 65.9°C when it absorbs 3.3 kcal of heat from a serving of hot…

A: we know heat flowing through a material Q = Cm∆T where C = specific heat  m = mass of substance  ∆T=…

Q: 10/C"). What happens when the strip is heated? 6. A glass window has dimensions of 20 cm by 30 cm at…

A: Given data: Dimensions of glass window L1=20 cm. Dimensions of glass window L2=30 cm. Initial…

Q: An extraterrestrial scientist invents a temperature scale such that water freezes at -75°E and boils…

A: According to given new extraterrestrial temperature scale, The freezing point of water = -75°E…

Q: How does specific heat affect the weather?  Give three examples of weather phenomena that are…

A: The weather in land region is hotter than in coastal regions due to low specific heat capacity of…

Q: Which of the following accurately describes heat? * OA measure of how hot an object is. O The flow…

A: By observing the given options we will explain what describes heat properly.

Q: In calorimetry, explain the relationship of mass and temperature change of warm and cold water to…

A: Lowering the temperature of the metal during the transfer to the calorimeter is not going to change…

Q: (1a). Figure shows a person is warming his hands over the fire. Explain in detail how the heat…

A: Figure shows a person is warming his hand over the fire.

Q: 1. A book will heat up if placed in the sunlight. Why is this not an example of conduction? Explain…

A: A book will heat if it is placed in the sunlight. We have been asked that why this example is not…

Q: 2. Two blocks of platinum have a temperature of 200°C. One block has a mass of 10 g, the other block…

A: Ques:

Q: A 50 g lead ball is propelled straight from a cannon at a speed of 40 m/sand it is stopped in an…

A:

Q: Question 6 There is a window whose dimensions are 1 m by 3 m, and is 10 cm thick. Its separates the…

A: Given: Area of window A=1m×3m=3 m2, Thickness of window d=10 cm=0.10 m, Conductivity of window k=250…

Q: 10. How much thermal energy do you need to melt 1.0 gram of ice (an ice cube)? The latent heat of…

A:

Q: hat all matters increase temperature when heat is added? 2.use the concept of the Law of Conserv

A: (1)Anything that has mass and occupies space is called matter. A matter is made up of tiny…

Q: Heat• Define heat as transfer of energy.

A:

Q: True or False? Temperature is the is the transfer or exchange of thermal energy caused by a…

A:

Q: Ex(1): What is the amount of heat energy necessary to raise temperature ( 3 kg ) of Aluminum from (…

A:

Q: 15. Heat transfer in calorimetry is always: O From cold to hot In the direction of specific heat O…

A: The transfer of Heat always occur from Higher Temperature Body to Lower Temperature Body So Heat…

Q: "A 200.0 g china serving bowl is warmed 65.0°C when it absorbs 2.6 kcal of heat from a serving of…

A: Given quantities: mass of the bowl (m) = 200 g = 0.2 kg temperature change (dT) = 65 degree Celsius…

Q: Part B What is the change in thermal energy? Express your answer with the appropriate units. HA ?…

A:

Q: An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same…

A:

Q: Temperature, 1. Explain what happens when the vapor at point A is cooled down the ae segment.…

A: Phases existing at each point  a - only vapour  ( as point a is in vapour area )  b - vapour and…

Q: Figure 14.3 Temp. Time In Figure 14.3, heat is added to a pure substance in a closed container at a…

A: From the graphThe time for fusion, tf = 2 unitsThe time for vaporization, tv = 7 units

Q: An electronics device generates 31.7 W of heat energy during normal operation.  The heat is…

A: The equation for convection of between a solid surface and fluid can be expressed as: q = hAdT =…

Q: The thermal conductivity of ice is 5.2 x 10^-4 kcal/m-s degrees Celsius. At what rate is heat lost…

A: Given, the thermal conductivity of ice is k = 5.2 x 10-4 kcal/m-s degrees Celsius. To find the rate…

Q: A heat transfer of 8.0 x 10^5 J is required to convert a block of ice at -10 degrees Celsius to…

A: Given, heat transfered (Q) = 8.0 x 10^5 J            initial temperature (t1) = -100C…

Q: On the KuyaWill temperature scale, the freezing point of water is -26°KW and the boiling point in…

A: The relation between Celsius (C) and KuyaWill (KW) scales can be found using the following relation…

Q: Water has an unusually high specific heat capacity. Which one of the following statements logically…

A: Dear student,    The thermal behavior of a substance depends upon it's density, specific heat,…

Q: 23. Which graph below best represents the following situation: the temperature of a glass of tap…

A: As the ice cubes melt, they take away the heat constrained in the tap water. As a result of this,…

Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.