If a room-temperature spoon is placed into a hot cup of coffee, followed by a teaspoon of cream from the refrigerator, how would the temperature for these three elements change over time?

Q: If you want to preserve the hotness of the coffee, while waiting for your date, should you add the…

A: If you want to preserve the hotness of the coffee, you should add the cream now or later by the…

Q: How does the specific heat of water compare with that of various metals? Why?

A: Specific heat can be defined as the amount of heat that is added or release from any substance to…

Q: What are four common phases of matter?

A: A phase is a physically distinctive form of matter.

Q: Why does decreasing the temperature of a liquid make it freeze?

A: As the temperature of a liquid decreases, the randomness in the motion gets decreased. Freezing…

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

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

Q: What do you think will happen if water is used in a thermometer instead of mercury?

A:

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: When a superheated liquid is agitated, which of the following may occur? *

A: When a superheated liquid is agitated then bubble formation occurs.

Q: Which represents a greater change in temperature: an increase of 1°C. 1'F, or 1 K?

A: Comparatively, the 1 degree rise in the Celsius is hotter than 1 degree rise in Fahrenheit as 1…

Q: Why does a bimetallic strip bend with changes in temperature?

A: Bimetallic strip consists of two strips made of two different type of materials having different…

Q: Why is Mercury Used in Thermometers?

A: Mercury is the only metal that is in liquid state at room temperature. It is used in thermometers…

Q: Why is the ice is less dense than liquid water so unusual?

A:

Q: Mention the advantages of gas thermometer over liquid thermometer?

A: Advantages of gas thermometer are:

Q: In lab you submerge 100 grams of 40 C nails in 100 grams of 20 C water. Equate the heat gained by…

A: Heat lost by the iron nail is equal to the heat gained by the water.

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

A:

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: 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: Explain the term temperature deviation?

A: The temperature deviation is the change in the temperature from the expected temperature. Suppose…

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: 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: why a metal spoon left in a pot of boiling water gets hot so fast ?

A: In metals heat transfer takes place by conduction . In conduction heat transfer takes place by…

Q: What is the reason for ice being less dense than water?

A:

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: Some solar energy devices used in homes circulate air over a bed of rocks that absorb thermal energy…

A: Use principle of calorimetry and put the values to calculate energy stored.    Given:mass of…

Q: Why does the car in the car radiator sometimes boil explosively when the radiator cap is removed?

A: Boiling happens when a liquid molecules have enough energy to break free from surrounding molecules.…

Q: What do you mean by the thermal agitation of molecules?

A: Thermal agitation of molecules can be defined as the ceaseless random motion of molecules or…

Q: Why doesn't energy added to boiling water increase the temperature of the water?

A: When the water is boiling, it is on the course of undergoing a phase transition from its liquid…

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

A: The heat tranter will occur only when the temperature of the object and the surroundings are…

Q: Why is steam burn more damaging than a burn from boiling water of the same temperature?

A: Latent heat of vaporization:Without changing the temperature of the liquid, the amount of energy…

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: Heat energy is transferred by conduction whenever molecules: A) collide each other B) means of…

A: Heat energy is transferred by three major methods. They are  1. Conduction, 2. Convection and 3.…

Q: When water freezes what happens to its molecules?

A: This question is based on thermal properties of matter topic. At high temperature, the molecules of…

Q: Why is heating more efficient in large apartment buildings than in single-family dwellings?

A: The surface to volume ratio is inversely proportional to the dimension of the building. Hence, a…

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: 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…

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: why doesn't the temperature of a beaker of water change during melting or boiling?

A:

Q: Why do vapor bubbles in a pot of boiling water get larger as they approach the surface?

A: Vapor bubbles in a pot of boiling water get larger as they approach the surface.