Q: By how much does the volume of an aluminum cube 5 cm on an edge increase when the cube is heated…
A: By the formula of the volumetric expansion ∆V = V γ∆T where, V is the original volume, γ is the…
Q: A change in temperature of 50°C is equal to a change of?
A: Change of temperature in degree Celsius and kelvin is same.For example
Q: After the 1 kg block of ice melts, the amount of heat required to raise its temperature to 10°C is…
A: Given, Mass of melted ice(water), m= 1kg, increase in temperature, ∆T=100 C=283.15 K.
Q: The temperature of 100 g of water is to be raised from 10 c to 90 c. The energy needed to do this is…
A: Given data: Mass m =100g Temperature T1=10°C Temperature T2=90°C
Q: The statue of liberty is 93m tall on a summer morning when the temperature is 20°C. If the…
A:
Q: A tennis ball bounces on the floor three times. If each time it loses 23.0% of its energy due to…
A: The ball loses 23% of the total energy in form of heat after every bounce. Therefore, the remaining…
Q: How much heat is removed when 100 g of steam at 150◦C is cooled and frozen into 100 g of ice at 0◦C.…
A:
Q: uired to raise the temperature of 4.1 kg of ice at -31.°C to water a
A: Given:- The mass of the ice m = 4.1 kg The change in temperature T1 = -31 oC = -31+273 = 242 K T2…
Q: A freshly brewed cup of coffee has temperature 95°C in a 20°C room. When its temperature is 63°C, it…
A: the rate of cooling is 1 degree celcius,the expression for the newton's law of cooling is,
Q: ce cube has a mass of 55 g and is initially at a temperature of 0°C. The ice cube is heated until…
A: mass of ice cube (m) = 55 g initial temperature of ice = 0o C mass of water = 48.2 g temperature of…
Q: If 5 kg of water freezes at 0ᵒ C, how many kilocalories of heat are liberated?
A: Amount of heat release when water freezes is called latent heat of fusion. Latent heat of fusion(L)=…
Q: A piece of steel expands 10 cm when it is heated from 20 to 40°C. How much would it expand if it was…
A: Write the expression for linear expansion for the first case and substitute the known values.
Q: A hot 1 kg chunk of copper is allowed to cool from 700°C to 100°C. If the specific heat of copper is…
A: Given data The mass of the chunk of copper is: m = 1 kg = 1000 g The initial temperature of the…
Q: A body cools from 80 °C to 50 °C in 5 minutes. Calculate the time it takes to cool from 60 °C to 30…
A: Newton’s law of cooling gives,
Q: The heat of 50MJ in joule is ?
A: 50 MJ = 50 x 106 J or 50 MJ = 50000000 J or 50 MJ = 50,000,000 J
Q: The temperature of 1000 g of water is to be raised from 20 °C to 80 °C. The energy needed to do…
A:
Q: The thermal energy of a container of helium gas is halved. What happens to the temperature, in…
A: The expression for average kinetic energy for a gas is KEavg=32kBT Average kinetic energy of a gas…
Q: A pot is filled with 9kg of water at 10 °C. Calculate how much heat energy would be needed to raise…
A:
Q: What would be the change in temperature in kelvin if the change in temperature in degress celsius is…
A:
Q: The heat of 12 kJ in J will be?
A:
Q: The amount of heat required for melting the ice of mass 1.3 kg at -10 °C is
A: The specific heat of ice below zero degree (c) is 2093 J/Kg.K. Latent heat of the ice (L) is 334000…
Q: A change in temperature of 50 ^ 0 C is equal to a change of
A:
Q: How much heat must be removed when 50 grams of steam at 100°C Is condensed to form liquid water at…
A:
Q: Physics 1@2 question
A:
Q: The amount of heat needed to raise the temperature of 1 gram of water by 1°C is
A: the amount of heat required at a pressure of 1 standard atmosphere to raise the temperature of 1…
Q: A bowl of soup at 95 C (too hot) is placed in a 22•C room. One minute later, the soup has cooled to…
A:
Q: What is the amount of energy required to raise the temperature of a 2.5 kg block of ice at -25°C to…
A:
Q: how much heat is needed to raise the temperature of 2 kg of water 5k
A:
Q: How much heat is required to convert ice with a mass of 12.0g at an initial temperature of -10.0°C…
A: For heating ice from -10oC to 0oC : The heat required is Q1=mc∆TQ1=12(2.1)(0-(-10))Q1=252 J
Q: How does the density of water changes when (a) it is heated from 0°C to 4°C, (b) it is heated from…
A: Density of water This is the weight of water per unit volume depending on the water temperature.
Q: 80g of water at 30°C is poured on a large blocked of ice which is at 0°C.The mass of ice that melts…
A: Latent heat of ice is 76 cal /g Specific heat of water is 1 cal /g In this case we have to use the…
Q: A steel rod and aluminum rod both have the same length of 200 cm. at a temperature of 20˚C. Which of…
A:
Q: How much heat is required to convert 5.0 kg of ice from a temperature of - 10 0C to water vapor at a…
A:
Q: How much heat does it take to completely melt 72 grams of ice that was initially at 0∘C?
A:
Q: What is the change in volume of a 1m3 concrete block if its temperature is raised
A: Change in volume ∆V = β V1∆T ∆T = 45 °C V1=1m3 β= 36 ×10-6 °C-1 ∆V = β V1∆T ∆V = 36×10-6×1×45 ∆V=…
Q: A bulb delivers 25 W of radiant energy when its filament is at 1500 °C . If the temperature…
A:
Q: A tennis ball bounces on the floor three times. If each time it loses 22.0% of its energy due to…
A: Total energy = 1 unit Balance after first collision = 0.78 unit Balance after second collision =…
Q: If 7,446J of energy was added to 4g of water that starts at 9°C, what will the final temperature be?…
A: Write the expression for the energy added. Here, m represents the mass, c represents the specific…
Q: place a 1-kilogram block of iron at 40c into 1 kilogram of water at 20c and the final temperature of…
A: Given: The mass of the iron block is 1 kg. The initial temperature of the iron block is 40oC. The…
Q: How much heat joules is needed of 5.5 L of water to raise the temperature of of water from 0°C to…
A: Given- Volume of water , V = 5.5 L Initial temperature of water, Ti = 0o C Final temperature of…
Q: The temperature of 100g of water is raised from 10 celsuis to 90 celsuis. The energy needed to be…
A:
Q: What is the amount of thermal energy to raise the temperature (300g) of aluminum from (15°C) to…
A: Given Mass of aluminum is m=0.300 kg Change in temperature is…
Q: Which
A: rate of flow of heat depends on conductivity.
Q: How much heat is removed from each kilogram of steam at 110 C to turn it into water at 85 C?
A:
Q: 10 kg of copper wire is heated from room temperature (22 C) to 45 C. What was the change in Thermal…
A: Given, Mass of rod m = 10 Kg T0 = 22C∘ Tf = 45C∘
Q: what is science of matter and its motion – deals with concepts such as force, energy, mass is…
A: Science is a highly developed and broad subject. The goal of science is to understand natural world.…
Q: How much energy in kJ is needed to raise the 12 kg of now gaseous nitrogen N2 from boiling…
A: Scenario - Nitrogen gas is heated further from its boiling temperature to bring it to room…
Q: A pan filled with hot food cools from 94 °C to 86 °C in 2 minutes when the room temperature is at 20…
A: Accroding to the newton’s law of cooling,
Q: You take an ice-cream out of the freezer, kept at −18 ∘C. Outside it is 32 ∘C. After one minute, the…
A: Explanation We will solve the problem using Newton's law of cooling. From this law we know rate of…
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- The water equivalent of 5 kg of a substance is 1 kg. By how much will its temperature change if 7550 J of heat was added to it?The amount of heat needed to raise the temperature of 1 gram of water by 1°C isA heater transfers 2550000J to a cubic meter of wood if each cubic meter of wood has a mass of 1500 kg. How much does the temperature of cubic meter of wood rise by the effect of the given heat? *
- The equation for the power emitted by the human body is . If the area of the human body is 3.5 m2, what is the power radiated by the human body when the temperature is 25 degrees celsius?If 90 calories of heat energy are added to 10 gram of water, how much the temperature of the water will decrease or increase?On a day when the temperature reaches 50°F, what is the temperature in degrees Celsius and in kelvins?
- A heater transfers 2550000J to a cubic meter of wood if each cubic meter of wood has a mass of 1500kg. How much does the temperature of cubic meter of wood rise by the effect of the given heat?If 500 J of thermal energy was gained by the water in a calorimeter and there are no losses, how much did the temperature of the 1 kg object with a specific heat capacity of 500 change?The radiator of a room contains 10 kilogram of water. If the water gives off 50,000 calories of heat to the room, the drop in temperature of the water is?