How much heat is transferred in 9 minutes through a glass window of size 1.4 m by 1.3 m, if its thickness is 0.7 cm and the inside and outside temperatures are 25°C and 6°C respectively. Write your answer in MJ. Thermal conductivity of glass = 0.8 W/m°C

Q: The inner surface of a plane brick wall is at 60°C and the outer surface is at 35°C. Calculate the…

A: Disclaimer: Since you have asked multiple question, we will solve the first question for you. If you…

Q: The SI unit for temperature is

A: Dear student There are 7 fundamental physical quantities. And Temperature is ome of them. Every…

Q: A 5000-W heater is used to heat water. How long will it take to heat 20 kg of water from 20°C to…

A: Given:

Q: A 30-kg child has a temperature of 39 °C. How much heat must be removed from the child’s body to…

A: The change in thermal energy is given by

Q: If 30.5 g of milk at a temperature of 3.90°C is added to a 260-g cup of coffee at a temperature…

A: Given Data:- Mass of the milk is  mm=30.5g=30.5 g×1 kg1000 g=0.0305 kg Mass of the coffee is…

Q: The center span of a steel bridge is 1,401 meters long on a winter day when the temperature is -5 C.…

A: Given data:  Original Length (L) = 1401 meters Initial temperature (T0) = -5 C Final temperature…

Q: What mass of water will change its temperature by 3 °C when 525 J of heat is added to it? The…

A: Given data:

Q: How much heat is given off by 25 g of aluminum as it cools from 100 ◦C to 20 ◦C?

A: Given data:  Mass (m) = 25 g = 0.025 kg Initial temperature (Ti) = 100°C Final temperature (Tf) =…

Q: A cube of length 24cm is heated through a change in temperature of 80oC. If the coefficient of…

A:

Q: A sample of copper is heated to 590°C and placed in 400 g of water at 21.5°C. The final temperature…

A:

Q: The input and output relationship of a temperature measurement system is g Find the the output value…

A: Let us consider (y) be the temperature measurement & (x) be the length measurement of the…

Q: What would be the rate of energy loss, in Watts, for a piece of asphalt that has an area of 2.80 m2…

A: Given data: The area is A=2.8 m2. Temperature is T=60°C.

Q: What is the SI unit of temperature?

A: SI Unit of temperature is

Q: Luis and Salman are trying to increase the temperature of a substance by heating it.. What is the…

A: Given:mass of substance, m = 3.2 kgSpecific heat,Cp for: Solid phase→600 J/kg K…

Q: Some amount of heat energy is removed from a 9cm X 22cm X 16cm block of ice to cool from 0°C to…

A: Dimensions of ice block = 9 cm , 22 cm , 16 cm Volume of ice block = 9×22×16 cm3= 3168 cm3Initial…

Q: In a warm room a naked resting person has a skin temperature of 33°C if the room temperature is 29°…

A:

Q: What is the ratio of specific heat of sand to the specific heat of water?

A: The specific heat of water is very high, and the specific heat of sand is low.

Q: Some amount of heat energy is removed from a 9cm X 26cm X 46cm block of ice to cool from 0ºC to…

A: initial temperature = 0 C final temperature = -26 C volume = 9 * 26 * 46 cm3 = 10764 cm3a) mass =…

Q: At 20∘C, a brass cube has an edge length of 25 cm. What is the increase in cube's surface area when…

A:

Q: Some amount of heat energy is removed from a 6cm X 10cm X 25cm block of ice to cool from 0°C to…

A:

Q: How many joules of heat are needed to raise the temperature of 0.010 kg of aluminum from 22°C to…

A:

Q: According to Newton's law of cooling, the temperature of an object changes at a rate proportional to…

A: The temperature after 6 minutes will be 28°F

Q: The area-average mass of the upper one third of the ocean is about 1x106 kg/m2. The energy required…

A:

Q: Suppose 160 W of heat flows by conduction from blood vessels under the skin to the body's surface…

A:

Q: A 162 cm long aluminum rod (thermal conductivity = 205 W/m-K) has a cross-section area of 1 cm2. If…

A:

Q: The temperature of a cup of coffee t min after it is poured is given by the following equation where…

A:

Q: A cylinder containing 100.9 cubic centimeter of gas at a pressure of 376 kPa when its temperature is…

A:

Q: A plastic cup of negligible mass contains 0.280 kgkg of an unknown liquid at a temperature of 36.0…

A: Solution:-

Q: Some amount of heat energy is removed from a 10cm X 20cm X 43cm block of ice to cool from 0°C to…

A: Given that -- Some amount of heat energy is removed from a 10cm X 20cm X 43cm block of ice to cool…

Q: The equation for the power emitted by the human body is . If the area of the human body is 3.5 m2,…

A:

Q: If 25 kJ is necessary to raise the temperature of a block from 25C to 30C, how much heat is…

A:

Q: The input and output relationship of a temperature measurement system is given in the table. Find…

A: For a linear systems the change in one quantity directly affects the other parameters. Say, Y = m X…

Q: If 29.0 g of milk at a temperature of 4.05°C is added to a 260-g cup of coffee at a temperature…

A:

Q: A hot steel plate with a surface area of 2.47 m2 and a constant surface temperature of 161°C is…

A:

Q: Luis and Salman are trying to increase the temperature of a substance by heating it. . What is the…

A: In the given question, Mass of the substance (m) = 1.2 kg Initial temperature ( T1 ) = 30 C = (3 +…

Q: Why is it important to collect more than one set of data for each temperature? Why compute an…

A: The average value in a set of numbers is calculated by the sum of all observations divided by number…

Q: A box ,total surface area 2.20m² and a wall thickness 6cm is made of an insulating material.10 W…

A: We have to find the thermal conductivity(k) of the insulating material. And it is given that we have…

Q: The metric unit for measuring heat is the calorie. true or false

A: In the metric system heat is measured in units of calorie. calorie is defined as amount of heat…

Q: A copper calorimeter whose mass is 250 g contains 700 g of water at 250C. When 25 g of a certain…

A: Given data:      Mass, Mcu = 250 g       Mass, Mw = 700 g  @ 25°C       Mass, Mmetal = 25 g @ 98°C…

Q: If we use 67 W of power to heat 148 g of water, how long will it take to raise the water temperature…

A: Given data:-                                 Mass = 148 grams =  m…

Q: On a day where the air temperature is 5.2 °C, the wind starts to blow, which increases the surface…

A: In this question we have to determine the wind-chill temperature.

Q: How much heat is given up when 20 g of steam at 100 deg C is condensed and cooled to 20 deg C?

A: mass of steam = 20 g initial temperature = 100oC final temperature = 20oC

Q: If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of…

A: Given: mass=148g =0.148 Kg            Power=67W              Ti= 15 °C              Tf=25 °C…

Q: A hot steel plate with a surface area of 2.17 m2 and a constant surface temperature of 165°C is…

A:

Q: If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of…

A: Power, P = 47 W Mass of water, m = 148 g = 0.148 kg Initial temperature, T1 = 15oC Final…

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.