Find the amount of energy required to raise the temperature of 1000 kg of seawater through 40K. (specific heat capacity of seawater = 3900 Jkg-1K-1)

Q: A 25.0 g sample of an alloy metal was heated to 100.0oC and dropped into a beaker containing 90.0 g…

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Q: li 6.0 р 4 K. 2 in 4. 9. 8. 6. IIO what is the final temperature of the system (c of copper = 0.387…

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Q: A lead bullet with a mass of 7.8 g and a velocity of 5.0 x 104 cm/s strikes a 1.0 kg wooden block…

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Q: A 5.52E1 g sample of water at 9.973E1 °C is placed in a constant pressure calorimeter. Then, 2.32E1…

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Q: What is the heat capacity of mercury in J⋅mol−1⋅∘C−1?

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Q: How many grams of methanol must be combusted to raise the temperature of 377 g of water from 23.5°C…

A: This problem is based on combustion of methanol.

Q: It takes 57.5 J of energy to raise the temperature of 115.4 g of mercury from 23.61°C to 27.17°C.…

A: We know that the energy supplied is equal to the internal energy change of the molecules.

Q: 1.63 Ib of gas is stored in a tank of 2ft3. If the internal energy decreases by 27.4 BTU as…

A: Mass of gas = 1.63 lb  Initial temperature = 200 F  Final temperature = 100 F  Change in energy = -…

Q: Suppose two 45 g ice cubes are added to a glass containing 500 cm^3 of cola at 20,0 degrees celcius.…

A: The given information: Weight of each ice = 45 g Total weight of ice = 90 g Volume = 500 cm3 = 500…

Q: Consider two 50.0 mL volumes of water, one at 20.0 °C and the other at 100.0 °C. What is the heat…

A: Given, Volume of water in two separate Container = 50 mL Temperature of one of the water = 20◦c…

Q: The specific heat capacity of benezene (C6H6) is 1.74J/g.K. What is its molar heat capacity (in…

A: Molar mass of benzene is 78.11 g/mol

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 130.0 mg sample…

A: The question is based on the concept of specific heat capacity.   amount of heat required to raise…

Q: Find the specific heat capacity of a 28.5g sample of a metal that is heated to 1037 degC and placed…

A: Specific heat capacity of a substance is defined as quantity of heat needed to change the…

Q: Suppose two 45 g ice cubes are added to a glass containing 500cm^3 of cola at 20,0°C . When thermal…

A: The answer to this is attached in the image below.

Q: A 30.5-g sample of an alloy at 93.0°C is placed into 50.0 g of water at 22.08C in an insulated…

A: Given: Mass of the sample= 30.5g= 0.0305 kg Initial temperature= 93°C= 366K Mass of water= 50g=…

Q: Calculate the energy required to heat 1.80 kg of graphite from 0.7 °C to 23.7 °C. Assume the…

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Q: A mass of gold (specific heat capacity of 130 J/kg°C) is heated 5°C by the application of 21,500 J…

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Q: (b) How many grams of ethanol does he need to burn in order to heat up 250 ml of water (MW= 18.02…

A: Given that the measurements are carried out at constant volume.

Q: When 15.0 mL of 3.00 M NaOH was mixed in a calorimeter with 13.0 mL of 3.00 M HCl, both initially at…

A: Given : Concentration of NaOH = 3.00 M Concentration of HCl = 3.00 M Volume of NaOH solution = 15.0.…

Q: 0.015L of 3mol/L NaOH mixes in a calorimeter with 0.013L of 3mol/L HCl, the two initially at 295K,…

A: Given : Concentration of NaOH = 3.00 M Concentration of HCl = 3.00 M Volume of NaOH solution = 0.015…

Q: Three moles of nitrogen at 30°C are contained in a container of a certain volume. If we ignore the…

A: Given: moles of nitrogen gas = 3 mol Initial temperature (T1) = 30° C Final temperature (T2) = 250°…

Q: An engineering student wants to study the heat transfer between a 50 g of a heated block of iron…

A: Given that : The mass of iron block = 50 g Initial temperature of iron block = 500 ⁰C The specific…

Q: 1. Find the change in the internal energy when 175 J of work is done on a system that evolves 50 J…

A: Given:Heat (q) = 50 J        Work (W) = 175 J since, work is done on the system which means energy…

Q: If a 62.1 gram piece of copper is heated to 100.0oC and then put into a vessel containing 250.0 mL…

A: The moles of copper and water can be calculated as

Q: Typically, water runs through the baseboard copper tubing and, therefore, fresh hot water is…

A: Given:Mass of water = 184.5 gEnergy = 2037 JSpecific heat of water = 4.184 J/goC.

Q: A piece of copper metal of mass 6.22 kg is heated from 20.50C to 324.30C. Calculate the heat…

A: Given  Mass of Copper ( m )      =  6.22 Kg                                          = 6.22 × 103…

Q: if you boiled a 15 g piece of metal in water (100C) then put it in a calorimeter containing 20 ml of…

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Q: Assume that the tissues of the human body have an average specific heat capacity of 3.50 J/gºC. A 55…

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Q: You have a constant pressure calorimeter filled with 256.328 g of water at 21.3C. A 93.310g piece of…

A: Specific heat represent the amount of heat required to raise the temperature of 1gm of substance by…

Q: If the temperature of a system of one mole of an ideal gas is changed from T1°C to T2-2T1 °C is…

A:

Q: A system does 546 kJ of work and loses 271 kJ of heat to the surroundings. What is the change in…

A: Work (w) = -546 KJ (because work is done on the surrounding, so this is negative) Heat (q) = -271 KJ…

Q: if you boiled a 15 g piece of metal in water (100C) then put it in a calorimeter containing 20 ml of…

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Q: 7. The heat evolved from the combustion of 0.94g ethanol raises the temperature of 250 cm water…

A: All the details are explained in handwritten solution.

Q: A 46-kg person drinks 500 g of milk, which has a “caloric” value of approximately 3.0 kJ/g. If only…

A: The total energy is calculated as, Total energy=3.0 kJg×500 gTotal energy=1500 kJ The total energy…

Q: In order to determine the heat capacity of their latest phone, CrabappleTM engineers cool the phone…

A: A material's heat capacity is termed as the quantity of heat needed by unit degrees of Celsius to…

Q: -1 35. The specific heat capacities at 25°C for three metals with widely differing molar masses are…

A: For 1 kg of substance, 1K rise in temperature requires some specific aggregate of energy which is…

Q: A A strip of magnesium metal having a mass of 1.22 g dissolves in 100.0 mL of 6.02 M HCI, which has…

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Q: Suppose a 1.0 kW kettle contains 10 kg of water and is turned on for 100 s . By how much does the…

A: The mass of the water = 10 Kg  Time = 100 s Power = 1 KW  The energy can be calculated as follows:…

Q: When 0.120 g of naphthalene (C,H10) was burned in a bomb calorimeter, the temperature rose by…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 567.0 mg sample…

A: amount of heat needed q = m x S x ∆T  where  q = 11.6 J  m = mass of sample = 567 mg x 10-3 g/1mg =…

Q: 17D.1. (a) What is the specific heat of liquid water? (b) What is the molar heat capacity of liquid…

A: Specific heat is the amount of heat per unit mass required to raise the temperature by one degree…

Q: Kapia walking through a distance of 2.2 km for 30 minutes per day requires 41 J while swimming for…

A: Given that standard enthalpy of combustion glucose is -2806 kJ/mol Molar mass of glucose is 180…

Q: To a 2Kg sample of wood 80 KJ of heat is added, and its temperature is found to rise from 20oC to…

A: The specific heat capacity (S) of a substance is the amount of energy required to raise the…

Q: A cup containing 93.0 ml of H20 is initially at room temperature 23.0°C. A chilled steel rod at…

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Q: What is the heat capacity (Cp) of a 7.5 g piece of tin if its temperature changes by 12.3°C when it…

A: Given that  Heat (Q) = 20 J  Change in temperature (∆T) = 12.3°C  Mass of tin (m) = 7.5 g

Q: A 32.7g iron rod, initially at 22.8 C, is submerged into an unknown mass of water at 63.4C, in an…

A: The heat energy needed for the given temperature change can be calculated by the following formula.…

Q: A 30.5-g sample of an alloy at 93.0°C is placed into 50.0 g ofwater at 22.0°C in an insulated…

A: Specific heat capacity(s) is defined as the heat required tp raise the temperature of substance by…

Q: If 100 g of Cu at 80°C is dropped into 50 g of water at 20°C, what will be the final T of the water…

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