A home swimming pool contains 165 m3 of water. At the beginning of the swimming season, the water must be heated from 20 to 31°C. How many joules of heat energy must be supplied?

Q: What is the specific heat of a 1,500.00 gram sample of wood that absorbs 67,500 Joules of heat…

A: The given data contains, mass = 1500 g. Heat = 67500 Joules.

Q: Use the References to access important values if needed for this question. In the laboratory a…

A: Given Mass = 13.9 g Temperature difference = 40-24.3 = 15.7°C Heat (Q)  = 28.2 J

Q: If the specific heat of water is 4.18J/g°C and 325J of heat is added to 56.75g of water, how much…

A: We have to calculate the temperature change when 325 J of heat is added to 56.75 g of water.Specific…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 124.0 g sample…

A: We are assuming no any phase change during additon of heat .  Change in temperature  = 9.9 -(-2.6)…

Q: When 151.0 mL of water at 26.0 C is mixed with 71.0 mL of water at 85.0 C, what is the final…

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Q: If 4.0 grams of water at 1ºc absorbs 33 joules of heat, what will be the change in temperature of…

A: Given,Mass of water= 4gTemperature = 1 degree Celsius.Heat = 33J

Q: Given the specific heat for aluminum is 0.9000 J/g·K, how much heat (q in Joules (J)) is released…

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Q: A work of 657 J is done on a system that releases 434 J of heat. What is the energy change in the…

A: According to first law of thermodynamics, internal energy of the system is equal to the sum of work…

Q: A 1709 kg1709 kg car is traveling down the road at 87.0 km/h.87.0 km/h. While traveling at this rate…

A: Given that,

Q: 1. If 200. grams of water is to be heated from 24.0°C to 100.0°C to make a cup of tea, how much heat…

A: Given that:                                             Mass of water = 200 g…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 674.0 mg sample…

A:

Q: A jeep performs 10,000 joules of work on its surroundings and releases 20,000 joules of heat. How…

A: The internal energy of a system is a state function (depends only on the initial and final state).…

Q: A 167.8 g piece of iron initially at 25.0 Celsius, absorbs 10943 J of energy. What will the final…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.87 kg sample…

A:

Q: 1-  During a chemical reaction, which of the following statements is ALWAYS true?  I) A system…

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

Q: 125 mL of H20 is initially at room temperature (22.0°C). A chilled steel rod at 2.0°C is placed in…

A:

Q: In order to change the temperature of 147 g of lead from 22 o C to 55.oC, how many Joules are…

A: Q = mc∆T Q = heat M = mass C = specific heat capacity ∆T = change in Temp.   M = 147 g ∆T = Tfinal –…

Q: What temperature change will result if 200.0 grams of water absorb 800.0 Joules of heat ?

A: 200 grams of water absorb 800 joules of heat.Mass m = 200 gHeat q = 800 JWe need to calculate the…

Q: The mixture of gas and air inside a cylinder reacts, releasing 400 kJ of total energy. If the system…

A: 150 kJ of heat is released from the system

Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

A:

Q: A backpacker wants to carry enough fuel to heat 2.4 kg of water from 25∘C to 100.0 ∘C. If the fuel…

A: Given, Mass of water = 2.4kg. Initial temperature = 25oC Final temperature = 100oC.

Q: In the laboratory a student finds that it takes 214 Joules to increase the temperature of 13.3 grams…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: We heat a 25-g sample of metal from 10 °C to 85 °C, 1082 J of energy is added to it by heat.…

A:

Q: In the laboratory a student finds that it takes 79.6 Joules to increase the temperature of 14.8…

A: The specific heat capacity of copper (C) can be calculated using equation (1). In this equation, m…

Q: A sample of sand at 21.5 degrees C absorbs 1.400E3 Joules of energy. The final temperature of the…

A: The relationship between heat and change in temperature is given by,

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

A: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

Q: 900 J of heat are added to a system and 200 J of work are done on the system. What is ∆E?

A: For this problem We have to find the change in internal energy for the given condition.

Q: When 156.0 mL of water at 26.0°C is mixed with 86.0 mL of water at 85.0°C, what is the final…

A: Convert the given mL of water into mass.Given, density of water = 1.00 g/mL

Q: If you wish to heat 4.0 L of water on the wood stove from 10.0 °C to 90.0 °C, how much heat must…

A: To solve this problem, we have to use formula which is- Q=m.c.dT Where m is the mass c= specific…

Q: An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 ºC. The  sample…

A: Given, Amount of heat required (Q) = 567 J Initial temperature (Ti) = 0°C Final temperature (Tf) =…

Q: 125g of zinc initially at 20 degrees celsius absorbs 500 J of heat, calculate the final temperature.

A:

Q: How much energy does it take to heat 2.0 kg of water from 25.0 degrees C to 75.0 degrees C?

A: Given that,  Mass of water given m = 2.0 Kg = 2000 g Heat capacity of water c = 4.184 J/g°C Change…

Q: heat capacity

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Q: In the laboratory a student finds that it takes 14.8 Joules to increase the temperature of 10.6…

A: The specific heat (C) of a compound is mathematically expressed as: C=Qm×∆T…

Q: A 25-gram metal ball is heated 200 °C with 2330 Joules of energy. What is the specific heat of the…

A: Let specific heat of metal = s J/g.oC Heat absorbed, q = ms∆T                       2330 = 25 x s x…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 794.0 g sample…

A:

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Here, we need to calculate the value of specific heat of tin. Specific heat formula is used to…

Q: A home swimming pool contains 155 m3 of water. At the beginning of the swimming season, the water…

A: The joules of heat energy must be supplied can be calculated as,The specific heat of water =…

Q: A block of aluminum weighing 140 g is cooled from 98.4°C to 62.2°C with the release of 1080 joules…

A: Recall the following relation according to law of calorimetry amount of heat…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 744.0 mg sample…

A: mass = 744mg = 0.744g Initial Temperature = -7.8oC Final Temeprature = 12.8oC Heat = 3.60J

Q: If it takes 41.72 joules of heat for a piece of gold weighing 18.69 grams from 10.0oC to 27.0oC,…

A:

Q: 1,922 Joules of heat are added to 42.5 grams of water, initially at 20∘C. What is the final…

A: The final temperature is given below

Q: In the laboratory a student determines the specific heat of a metal. He heats 18.4 grams of…

A:

Q: Calculate the specific heat capacity of a piece of wood if 1500.0 g of the wood absorbs 67,500…

A: Specific heat capacity can be calculated as follows

Q: 2. A solid substance has a mass of 250 grams. It is cooled by 25.00°C and loses 4.937 kJ of heat.…

A:

Q: What is heat? How does heat differ from thermal energy? Under what condition is heat transferred…

A: Heat: Heat is a form of energy that is transferred from one body to another because of difference in…

Q: A total of 54.0 Joules of heat are observed as 58.3g of lead is heated from 12.0°C to 42.0°C. From…

A:

Q: The internal energy of a system increased by 982 J when it absorbed 492 J of heat. Was work done by…

A: When a system absorbs energy it means work done on the system, We know that, ∆U=982 Jq=492 J…