Direction: Convert the following:    1. 50℃ = ℉  2. 25℉ = ℃  3. 10℉ = K

Q: When cooled from 248 °C, the diameter of a metal sphere becomes 72.0 mm and its surface area changes…

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Q: You mix 1.0 kg of water at temperature 80°C with 4.0 kg of water at temperature 10°C. What is the…

A: Q = C m ∆t Where Q = quantity of heat absorbed by a body m = mass of the body ∆t = Rise in…

Q: If 31.0 g of milk at a temperature of 4.15°C is added to a 250-g cup of coffee at a temperature…

A: Let the final temperature is T

Q: A 300g piece of iron at 200 deg Celcius is placed in a 100g aluminum cup containing 220g of liquid…

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Q: How much is required to raise the temperature of 250ml of water from 20.0 degree celsius to 35.0…

A: Given: Volume of water = 250 mL, T1 = 20.0 oC and T2 = 35.0 oC

Q: the specific heat capacity of iron is 4.5 ' 10² J/kg×⁰C. The heat energy required to heat 5.0 kg of…

A: Given, Specific Heat capacity of Iron (s)=4.5×102J/kg.C0 Mass of Iron (m)=5.0 kg Initial Temperature…

Q: A woman finds the front windshield of her car covered with ice at -14.3 °C. The ice has a thickness…

A: Given, temperature of the ice in front windshield, T = -14.3 °C thickness of the ice, t = 4.86×10-4…

Q: alculate the heat flow through a 1.750m long copper bar with a cross sectional area of 5.00 cm2. One…

A: length, d = 1.75 m  Area, A = 5 cm2 T1 = 10 C  T2 = 100C  K = 401 W/ m K

Q: A Styrofoam box has a surface area of 0.84 m2 and a wall thickness of 2.0 cm. The temperature of the…

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Q: Sixty grams of water are at an initial temperature of 26 °C. Calculate the heat required to…

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Q: A pure gold ring of 9.83 gram is heated to 64°C and dropped into 11.8 gram of water at 21.8°C. When…

A: As per the principle of calorimetry, the heat lost by the gold ring is taken by the water. Thus,…

Q: How much energy is required to increase the temperature of 25 g water from 0 C∘ to 50 C∘. The…

A: To determine: The amount of energy required to increase the temperature.   Given: Mass of water,…

Q: If 29.0 g of milk at a temperature of 3.95°C is added to a 260-g cup of coffee at a temperature…

A: Given Mass of milk is mm=29.0 g=29.0×10-3 kg Mass of coffee is mc=260 g=260×10-3 kg Initial…

Q: For each of the following temperatures, find the equivalent temperature on the indicated scale: (a)…

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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: Some amount of heat energy is removed from a 16cm X 26cm X 28cm block of ice to cool from 0°C to…

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Q: An aluminum rod 17.4 cm long at 20°C is heated to 100°C. What is its new length? Aluminum has a…

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Q: What is the specific heat of a 5.1 -kg substance if 135j of heat is needed to raise the temperature…

A: Mass of the substance is m = 5.1 kg Heat required, Q = 135 J Difference in temperature is…

Q: The average body temperature of a house cat is ?101.5 °F. What is this temperature in Celsius C = 38…

A: Given Average temperature of a cat is TF=101.5 oF Find the temperature in Celsius.

Q: Express the temperature (73.2oF) in Celsius degrees. Please include 1 decimal place in your answer.

A: The temperature in degree Celsius and Fahrenheit are related as C=59F-32

Q: Convert the following Kelvin temperatures to Celsius temperatures: a)225 K b)420 K c) 973 K

A: The temperature unit is converted as 0 °C=273 K

Q: The water equivalent of 5 kg of a substance is 1 kg. Find its specific heat. 20930 J/kg-C° 4186…

A: Specific heat of 1 kg water is(c)= 4186 J/kg-oc Water equivalent of 5 kg substance is 1 kg Specific…

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: Some amount of heat energy is removed from a 6cm X 20cm X 34cm block of ice to cool from 0°C to…

A: Given: Specific heat of ice is Cv=2093 J/kg°C Density of ice is d=920 kg/m3 Volume of the ice cube…

Q: 90.0g of Ethyl alcohol is mixed with 200g of water.  If the mixture is heated from 20 degrees…

A: Given,

Q: What is the heat (in kJ) released to chill 500. grams of water [specific heat = 4.18 J/g⁰C] from…

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Q: 200 g of Coke with temperature of 20 degree celcius was mixed with 20 g of ice at 0 degree celcius.…

A: Given , mass of coke  , mcoke =200g Temperature of coke = 20 degree celcius mass of ice ,mice = 20g…

Q: If 2.0 kg of water at 0°C is to be vaporized, how much heat must be added? 1080 kcal 1080 cal 1280…

A: Given:- mass=2 kg= 2000g Initial temperature=0 degree The heat required to convert water is at 100…

Q: To convert a temperature from one scale to a temperature on the other use the equation F=95C+32​,…

A: Given data:  Temperature in Fahrenheit scale TF = 112°F Required: Temperature in Celsius scale

Q: A hot, just minted copper coin is placed in 100 gr of water to cool. The water temperature changes…

A: Given,mass of the water, mw = 100 gtemperature change of water, ∆Tw= 8 °Ctemperature change of coin,…

Q: How much heat is needed to melt 18.50 kg of silver that is initially at 21 ∘C? The melting point of…

A: Given data: m = 18.5 kg Ti = 21oC Tf = 961oC L = 88 kJ/kg C = 230 J/kg⋅C Need to determine the heat…

Q: What is the specific heat of a metal substance if 135 kJ of heat is needed to raise 5.1 kg of the…

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Q: How much heat in kcal must be added to 0.58 kg of water at room temperature (20°C) to raise its…

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Q: Substance x is heated to 83.0°C and 0.790 kg of it is mixed with 1.40 kg of water at 5°C. The final…

A: Given data: Tx=83°Cmx=0.79 kgmw=1.40 kgTw=5°CTmix=40°C Need to determine the specific heat capacity…

Q: You are given 204 g of coffee (same specific heat as water) at 80.0°C (too hot to drink). In order…

A: Given Mass of coffee = 204 g Initial temperature of coffee = 80 °C final temperature of coffee = 60…

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

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Q: What is the heat required to raise the temperature of 0.6 kg of spaghetti sauce from room…

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Q: How much heat is required to raise the temperature of the ice to melting point T = 0°C?  How much…

A: Given: Mass of ice, m = 2.2 kgTemperature of ice, T = -10°C   Solution: Part a          The heat…

Q: When 200 mL of water in an electric kettle is heated from 20°C to 35°C to make a cup of tea, how…

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Q: Sixty grams of water are at an initial temperature of 26 °C. Calculate the heat required to…

A: Given data:  Mass (m) = 60 g Initial temperature (T0) = 26°C Final temperature (T) = 100°C Specific…

Q: Which of the following expressions is true? * Fahrenheit temperature = (Celsius temperature - 32) x…

A: In the given question, We have to find the true expression.

Q: 10 grams of ice at 0 degree celcius was mixed with 15 grams of water at temperature of 20 degreee…

A: mass of ice = mice= 10 grams temperature = tice= 0 degree mass of water = mw=15 grams temperature of…

Q: How much natural gas does it take to heat a home? 26 litres of water between 0 and 30 degrees…

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

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Q: How much heat is required to totally melt 6 kg of aluminum which is at 30°C

A: Given data: Mass of the aluminum m= 6 kg Temperature T=30°C

Q: Question 15 The temperature on a summer day is 32.5 degree C. This is equal to degree F. 80.5 79…

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