How is the product solution used to determine the variation of temperature with time and position in threedimensional systems?

Q: Calculate the number of atoms in 39.4g gold. Molar mass of gold is 197 g/mole.

A: The formula for the number of moles is:

Q: If the volume of a gas is doubled at constant temperature, what will happen to its temperature?

A: According to the ideal gas equation

Q: If the temperature of the air is 30ºC and the substance cools from 100ºC to 60ºC in 25 minutes, find…

A: Given Data: The initial temperature is, T1 = 100 ºC. The final temperature is, T2 = 60 ºC . The…

Q: 5 mole of methane gas inside balloon, gain heat by 1850 j , his temp increased 40 degrees in (…

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Q: Consider a mixture of 100 grams of water at 25∘C with 75 grams of water at 40∘C. Calculate the final…

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Q: How does the average kinetic energy of each gas in a mixture compare?

A: The kinetic energy of gas is the random movement of gas particle in a vessel. It associate with the…

Q: What is known as ideal mixture ?

A: Required : What is ideal mixture

Q: What do you mean by change of phase of a substance? Is there any change in temperature during the…

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Q: When a vapor condenses to a liquid, Select one: O A. its internal energy increases O B. its…

A: Answer: Condensation: In physics, the condensation is described as the process in which any…

Q: Ice has a melting point of 0°C and a melting enthalpy of 6.010 kJ/mol. Calculate the freezing…

A: The freezing point depression is typically the drop in temperature at which a substance freezes.…

Q: An underground gasoline tank can hold 1.10 × 10³ gallons of gasoline at 52.0°F. If the tank is being…

A: The initial temperature T1 = 52.0 ̊F. The final temperature T2 = 97.0 ̊F. The volume of the gasoline…

Q: How does specific heat relate to how fast a substance changes temperature?

A: The heat loss, ∆H, from a substance of mass m and specific heat s, is related to the change in…

Q: a thermometer has a mercury filled glass bulb with a volume of 2x10^-7 m^3 attached to a thin glass…

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Q: The below shown graph is drawn from the tabulated values of brass which we measured during the…

A: Refer to the (x,y) coordinates of points 1 and 2 below :  1→(6,45.5)2→(6.7,38)   (a) Difference in…

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: How can a material at a certain temperature have all of its molecules at the same energy

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Q: The diagram shows four slabs of different materials with equal thickness, placed side by side. Heat…

A: In the given diagram, we need to rank the materials according to their thermal conductivity.

Q: Calculate the number of moles in the 2.00-L volume of air in the lungs of the average person. Note…

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Q: When the pressure in a container is 1200 pascals, the temperature is 400 K. Find the temperature…

A: Given : Pressure P1=1200 pascals Temperature T1=400 K Pressure P2=600 pascals Volume V=constant

Q: Suppose that the average speed (vrms) of carbon dioxide molecules (molar mass 44.0 g/mol) in a flame…

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Q: 2.) 300g of water at 50°C in a 100g glass are added to 20g of ice at 0°C. Solve for the final…

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Q: A metallic axle with a diameter of 20mm has to be fitted into a wheel which has a circular hole at…

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Q: An ideal gas has its pressure doubled and its specific volume decreased by two-thirds. If the…

A: For initial case ,      Let pressure is Pi and Volume is Vi      Given that initial temperature , Ti…

Q: 200g of water at 50°C in a 80g glass are added to 10g of ice at 0°C. Solve for the  final…

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Q: How are the speeds of molecules of air affected when the air rapidly expands?

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Q: Why do we say a substance in a liquid phase is more disordered than the same substance in the solid…

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Q: An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water are…

A: The energy released or absorbed , for a temperature change ∆Tto occur in a system is calculated by…

Q: What effect does an increase in temperature have upon the density of a substance?

A: Density of the substance changes with the temperature because the volume changes with the…

Q: A beaker of water at room temperature is placed in an enclosure, and the air pressure in the…

A: Boiling Point of any matter is the temperature limit at which the vapor pressure of the matter…

Q: Oxygen cannot be liquefied at room temperature by placing it under a large enough pressure to force…

A: For oxygen critical temperature is -118 degrees Celsius. Room temperature will generally around +23…

Q: An ideal gas has its pressure doubled and its specific volume decreased by two-thirds. If the…

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Q: An ideal gas with molecular mass of 24 is at temperature of 90 degrees Celsius and a pressure of 2…

A: Given: Temperature T = 90o C = 363K            Pressure P = 2 bar = 2×105 Pa            Molecular…

Q: What is Relation between volume and pressure at constant temperature and number of moles.

A: According to Boyle's law, at constant temperature, pressure of an ideal gas is directly proportional…

Q: Calculate the value of dryness-7 fraction? in vessel which is volume of 5 m^3 contains (4.95 m^3) o…

A: Solution: given that volume =5 m3 saturated vapour vg = 4.95 m3 saturated liquid water vf = 0.05 m3

Q: When a solid sample was heated, its temperature increased but it did not melt. What has happened to…

A: Temperature increased so average molecular kinetic energy also increased.

Q: You assumed that the initial temperature of the metal sample was the same as that of the boiling…

A: The heat energy used is calculated by using the formula Q=mc∆T , where m is the mass of the sample ,…

Q: State whether water at the following temperatures will expand or contract when warmed a little: 0°C;…

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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 does the molar specific heat of a real gas at constant pressure differentiate from an ideal gas

A: Molar specific heat can be defined as the amount of heat needed to increase the temperature of 1…

Q: is a form of internal kinetic and potential energy contained in an object associated with the motion…

A: From question: The motion of tiny particles called atoms, molecules or ions in solids, liquids and…

Q: How do you account for the fact that solids and liquids generally expand when heated?

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Q: Molar volume is the volume occupied by 1 mol of any (ideal) gas at standardtemperature and pressure…

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Q: On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than…

A: The reason why the metallic cap seems colder than the plastic body is because: (C)metals are good…