Calculate the heat change (q) in J when 4.228 grams of water is cooled from 4.797 ºC to -2.699 ºC.

Q: How much heat is required to melt a 1.5-kg piece of ice and then warm up the water released by the…

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Q: A beaker of water of releases 1829.8 J of heat while cooling 39.0°C. What is the mass of the sample?…

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Q: An ice cube at 0 degrees C is dropped into a container with 0.5 kg of water at 20° C. The specific…

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Q: Find what heat in calories (calcal) is required to increase the temperature of 40 gg water from…

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Q: 0.0012 3. A 100 gram piece of ice at 0 oC is added to 400 grams of water at 30 oC. Assuming the…

A: Given data: The mass of the piece of ice is m1=100 g. The initial temperature of the ice piece is…

Q: Calculate the heat energy released when 23.8 g of liquid mercury at 25.00 °C is converted to solid…

A: Given: mass of mercury, m = 23.8 g = 0.0238 kg initial temperature, Ti = 25.0 °C = 273.15 + 25 =…

Q: 20 g of water at 800C is mixed with 20 g of honey at 60 oC in an insulated container. The final…

A: According to principle of calorimetry  Heat given by hot body = heat taken by cold body

Q: Suppose your favorite TV scientist has equal masses of frozen water (ice) and liquid water. If she…

A: Latent heat is the heat required to convert one gram of a substance to change its phase. Its SI unit…

Q: If 3.6 kg metal with 101 ºC temperatures is immersed into 6 kg of water at 10 ºC, what will be the…

A: The basic principle of calorimetry is based on the principle of energy conservation. According to…

Q: A corpse was discovered in a motel room at midnight and its temperature was 320C. The temperature of…

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Q: why does the specific heat of water still 4.184 from the unit kj/kg K to j/kg K?

A: The specific heat capacity of water is the heat required to raise the temperature of a unit mass of…

Q: A 110-gg chunk of 88 ∘C∘C iron is dropped into a cavity in a very large block of ice at 0∘C∘C.  What…

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Q: How much heat is required to convert 5 kg of ice at -20C to steam at +100C? (relevant constants…

A: The asked process has the following processes...   1) heating ice from -20oC to 0oC. 2) phase…

Q: The specific heat of lead is 129J/Kg/K. How much energy in Joules is need to heat up a 0.4 kg of…

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Q: A 60-gg chunk of 78 ∘C∘C iron is dropped into a cavity in a very large block of ice at 0∘C∘C.…

A: The mass of the iron chunk is m = 60 g. The initial temperature of the iron chunk is 78 ̊C. The…

Q: How much heat is transferred to a 0.1kg sliver chain from the human body if it was at 25C and now…

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Q: The Specific Heat Capacity of Lithium is 3.56 J / g C. What is this Specific Heat Capacity using…

A: solution: given that Specific Heat Capacity of Lithium is 3.56 J / g C.

Q: A human Body loses about 360 kJ of heat every hour at 23.4 0C. Assuming that an average human body…

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Q: How much heat is required to melt 200 g of ice at 0 oC into water at 0 oC? The latent heat of fusion…

A: Here,  m = 200g  Lf = 80 cal/g

Q: How much heat is needed to heat 10 kg of water from 70 degrees Celsius to water vapor at 100 degrees…

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Q: of water freezes to ice at 273.15 K?

A: Given:- The mass of the water m = 1  g  The temperature of the water = 273.15 K  The temperature of…

Q: How much heat ? is required to change 19.0 g of ice at −1.50∘C to 19.0 g of steam at 131∘C?

A: total energy required to go from ice to water, and then from water to vapor - the phase changes…

Q: A 10KW immersion heater is placed in a pot containing two liter of water at 23°C. How long will it…

A: Given : P = 10 kW = 10 × 103 W V = 2 L = 2 × 10-3 m3 T1 = 23°C T2 = 100°C e = 32% = 0.32 c = 4185…

Q: A 1.25-kg aluminum tea kettle contains 1.50 L water and is placed on a stove. If there is no heat…

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Q: At a crime scene, the forensic investigator notes that the 6.2-gg lead bullet that was stopped in a…

A: Given: The mass of the lead bullet : m = 6.2 g (6.2 x 10-3 kg). The specific heat of lead: c = 130…

Q: Approximately what is the heat of fusion for the substance in kJ/mol?

A: The heat of fusion of a substance is the change in its enthalpy by providing energy, typically heat,…

Q: The gauge pressure in your car tires is 2.50x10^5 n/m^2 at a temperature of 35.0 C when you drive it…

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Q: How much mass (in grams) of aluminum initially at 150 °C must be added to 30og of water initially at…

A: Given The initial temperature of the aluminum is Ti(Al)=150°C. The mass of water is m=300 g. The…

Q: A water heater transfers heat to an amount of water at a rate of 100 W. How long will it take to…

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Q: A aluminum bar is 0.5 m at 20 C. Is the bar is made by casting and aluminum has a melting point of…

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Q: ow much heat is required to raise the temperatur

A: Given: Mass, m=200 g Change in temperature, ∆T=100-20=80 Specific heat capacity of mercury, Cp=0.14…

Q: During a bout with the flu an 80-kg person ran a fever of 39 oC. Consider that the specific heat of…

A: The amount of heat energy to increase the temperature is  H = m c (T' - T)  Where, m is the mass, c…

Q: An unknown material with a mass of 1 kg is heated from 200C to 500C. The amount of heat energy…

A: Whenever a system undergoes temperature change there will be a change in heat energy. This change in…

Q: How much heat is required to convert 300 g of steam at 110 oC to ice at -30 oC?

A: The amount of heat required to convert 300 g of steam at 110 ºC to 300 g of steam at 100 ºC can be…

Q: How many Joules of heat are required to raise the temperature of 750 kg of water from 15 0C to 75…

A: Given data -  mass of water (m) = 750 Kg or 750000 g                          initial temperature…

Q: How much heat is required to convert 5 kg of ice at -20C to steam at +100C? (relevant constants…

A: In order to convert -20°C ice to 100°C steam we have to go through no. Of processes and hence total…

Q: Consider the following selected properties of water: Density (liquid water): d = 1.00 g/mL Heat of…

A: Given,Density of liquid water, ρ= 1 g/mLThe volume of water, v = 54 mLThere is no phase change for…

Q: How much energy is required to increase the temperature of 0.02 kg water by 1°C? [specific heat of…

A: Given data: Mass (m) = 0.02 kg Increase in temperature (ΔT) = 1°C Specific heat capacity of water…

Q: Estimate the amount of heat (in J) required to raise 2kg of α-iron from room temperature (25∘C)…

A: Given data: Mass (m) = 2 kg Initial temperature (T0) = 25°C Final temperature (T) = 100°C Required:…

Q: The temperature change of 1 oF is equivalent to a temperature change of 1 oC. TRUE OR FALSE

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Q: The specific heat capacity of water is 4180 J kg-1 0C-1. The statement means that

A: Given :- specific heat capacity of water is 4180 J kg-1 0C-1.

Q: What quantity of heat is needed to convert 2 kg of ice at -25 oC to steam at 100 oC?

A: The specific heat, the latent heat of the water in its different phases, and the temperature…

Q: An unknown material with a mass of 1 kg is heated from 600C to 1000C. The amount of heat energy…

A: Whenever a system undergoes temperature change there will be a change in heat energy. This change in…

Q: How many grams of steam at 100 oC must be mixed with 200 g of water at 20 oC in order for the…

A: the sume of heats is zero...Heat to heat water + heat or condense steam+heat to cool…

Q: Al changes save mass of 1 kg. What is the final temperature of the water after the Ice melts? (L, =…

A: mass of ice = 200 g Initial temperature of ice = 0 degree celsius Mass of boiling water = 1 kg…

Q: A geyser heats water flowing at the rate of 3-0 litre per minute from 27°C to 77°C. If the geyser…

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