Calculate the quantity of heat in kJ, associated with a 33.5oC decrease in temperature in: 1. A 5.85 kg aluminum bar (specific heat of aluminum=0.903J g-1 oC-1)

Q: Ametal radiator is made from 25.0 kg of iron. The specific heat of iron is 0.449 Jg °C. How much…

A: Given  mass = 25kg  c = 0.449J/gC  Temp change = 15°C to 63°C  We have to find heat

Q: A 153.7 g sample of ice at 0.0 °C is added to 150.7 mL of liquid water at 67.8 °C in a styrofoam cup…

A: All the required calculations have been done in the following step.

Q: A 45.61 g sample of a substance is initially at 24.6 °C. After absorbing 2495 J of heat, the…

A: Mass of sample m = 45.61 gramInitial temperature T1 = 24.6 °CFinal temperature T2 = 119.5 °CHeat…

Q: The heat of vaporization of C₆H₆ at 1 atm is 94.4 cal/g. 100 g of C₆H₆ reacted at 80.2°C. Calculate…

A: Given: Mass of C6H6 = 100 g Heat of vaporization of C6H6 = 94.4 cal/g. External pressure = 1 atm.…

Q: When a 45.0 g sample of an alloy at 100.0oC is dropped into 100.0 grams of water at 25.0oC, the…

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Q: What is the mass of an aluminum sample in grams (specific heat = 0.901 J/gºC) if addition of 2.27 kJ…

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Q: Calculate the quantity of heat required to increase the temperature of 1.0 kg brass statue standing…

A: Given :  Mass of brass(mb) = 1 Kg = 1000 gm  Mass of granite(mg) = 500 gm  Initial temperature (T1)…

Q: How much heat is rel;eased to the surroundings when 5.00 g of CO2 is produced according to the…

A: We can solve the problem by determining the moles of CO2 that is actually produced in the reaction.…

Q: A 75.0 g piece of Ag metal is heated to 80.0 °C and dropped into 50.0 g of water at 23.2 °C. The…

A: Given, Mass of Ag(silver) =75.0g It is heated to 80.0 °C. Final temperature of silver rod after…

Q: 2. A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 °C. Given…

A: Temperature of metal (T1) = 93.2°C Mass of metal (m) = 125 g Temperature of water (T2) = 18.3°C Mass…

Q: A piece of metal with a mass of 22.9 at 122.8oC is placed in a styrofoam cup containing 35.0 g of…

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Q: What was the change in temperature for the bar in oC?

A: Given :- q = 2700 J                m = 71.0 g              Cgold = 0.126 J/g°C  To calculate :-…

Q: The combustion of a certain compound has: q = -49 kJ and w = -3.8 kJ. What is ΔE? An Fe piece…

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Q: A 225-g sample of aluminum was heated to 125.5 oC, then placed into 500.0 g water at 22.5 oC. (The…

A: Here we have:           mass of aluminiun, mAl = 225 g             mass of water , mH2O = 500.0 g…

Q: A 37.70 g sample of a substance is initially at 28.8 °C. After absorbing 2571 J of heat, the…

A: The given problem can be solved by using the formula given below as; Q=m c ∆T…

Q: A 45.0 g block of metal at 99.5 °C was dropped into 150.0 g of water at 24.00 °C. The temperature of…

A: Given: Mass of metal = 45.0 g. Initial temperature of metal = 99.5 oC Mass of water = 150.0 g…

Q: A 20.33 g sample of a substance is initially at 28.5 °C. After absorbing 2325 J of heat, the…

A: • The values provided in the question are:-  i) Mass of a substance, m = 20.33 g  ii) Initial…

Q: 2. A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 0C. Given…

A: The given data : The mass of the metal block = 125 g The initial temperature of metal = 93.2°C The…

Q: A 25.0 g sample of lead, specific heat = 0.128 J/goC, was warmed from 35.0 oC to 200.0 oC. The same…

A: The total amount of heat absorbed by the lead is; Q=mc∆T=25.0 g×0.128 J/g oC×200.0oC-35.0oC=528 J

Q: When a 45.0-g alloy is heated to 100.0 °C and then added to 55.0 g of water at 25.0 °C, the final…

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Q: Calculate the quantity of heat required to increase the temperature of 1.0 kg brass statue standing…

A: Q = ms∆T here  Q = heat transfer  m= mass  s = specific heat ∆T = temperature difference

Q: How much heat? 3kg water, 0oC--> 100oC

A: We have :Mass of water = 3 kgInitial temperature = 0 °CFinal temperature = 100 °CSpecific heat of…

Q: 2. If a 50g sample of water at a temperature of 95°C is added to 89g sample of water at 25°C, what…

A: Given: mass of water

Q: How many joules of heat must be removed from 432g of water. (heat capacity of 4.184j / g celsuis) to…

A: Joules of heat can be calculated by using following formula,The equation for heat is  Q=m(Δt)Cp

Q: 16.0  J of heat is added to 10.00 g of gold, which is initially at 25°C.The specific heat capacity…

A: The final temperature of the gold is calculated using the given formula,

Q: A 57.60 g sample of a substance is initially at 22.6 °C. After absorbing 2787 J of heat, the…

A: Given  m = 57.60 g T1 = 22.6°C T2 = 182.8°C Q = 2787 J Specific heat of substances(c)=?

Q: In the lab, an experimenter mixes 75.0 g of water (initially at 30o C) with 83.8 g of a solid metal…

A: To determine the specific heat capacity of any particular metallic substance, calculate the energy…

Q: How much heat (in cal) is needed to heat a container of water (with a mass of 5 kg) (specific heat…

A: Given, Note: 1Kg = 1000 g Mass of water (m) = 5 Kg = 5000 g Specific heat capacity of water (Cp) =…

Q: a 25.31 g sample of a substance is initially at 23.9 °c. after absorbing 2317 j of heat, the…

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Q: How much energy in calories is required to heat 25.0 g of platinum (specific heat capacity = 0.032…

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Q: A 295-g aluminum engine part at an initial temperature of 13.00°C absorbs 75.0 kJ of heat. What is…

A: Heat required by a particular compound is determined by the knowledge of its mass, its specific heat…

Q: A piece of hot metal, X, weighs 24.50 g.  After heating in a steam bath at 100.0oC, it is plunged…

A: The principle used here is Heat loss by metal = heat gained by water

Q: Al is heated to 100 oC and dropped into a 100 gram glass beaker that contains 200 grams of H2 The…

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Q: When 1 mol of CS2(l) forms from its elements at 1 atm and 25 ° C,  89.7 kJ  is absorbed, and it…

A: Hess law of constant heat summation: This law states that regardless of the multiple stages or steps…

Q: You want to quickly set up a temporary water bath in your lab with a volume of 10.0L and a…

A: Q = mc∆T Temperature of hot water = 55.20C Temperature of cold water = 220C Final temperature =…

Q: How much heat (in kJ) will be absorbed by a 50.3 g piece of aluminum (specific heat = 0.930 J/g･°C)…

A: Since ,  Q = m c ∆ T                    where ,                                   Q = Heat…

Q: If 30.0 g of water at 25.0oC is heated to a final temp of 71.4. How much heat (q) has the water…

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Q: 2. A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 °C. Given…

A: The heat 'q' which is required to raise the temperature of a sample of mass 'm' having specific heat…

Q: A gold coin whose mass is 8.47 g is heated to 138.9oC and then quickly dropped into an ice…

A: Given: The mass of a gold coin is 8.47 g. The initial temperature of the coin is 138.9°C. The molar…

Q: A 23.56 g sample of a substance is initially at 23.7 °C. After absorbing 2083 J of heat, the…

A: The specific heat capacity is defined as the amount of heat requires to raise the temperature if 1…

Q: The enthalpy change to make diamond from graphite is1.88 kJ mol-1 . Which gives off more heat when…

A: Enthalpy change is amount of heat absorbed or evolved in a reaction when carried out at a constant…

Q: The burning of 28g of vegetable cause the temperature of 58.18 g of water in a soda can calorimeter…

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Q: Calculate the quantity of heat required to increase the temperature of 1.0 kg brass statue standing…

A: The heat required can be calculated by using general formula , Q = mC (Tf - Ti) Here, Q = Heat…

Q: A 65.0 g piece of iron at 525oC is put into 635 g of water at 15.0oC. What is the final temperature…

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Q: A 27.7 g sample of ethylene glycol, car radiator coolant,loses 688 J of heat. What is the initial…

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Q: When a 45.0 g sample of alloy at 100.0°C is dropped into 100.0 g of water at 25°C, the final…

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Q: When a 45.0 g sample of an alloy at 100.0 °C is dropped into 100.0 g of water at 25.0 °C, the final…

A: We have 45g of  alloy at 100° C, also 100 g of water at 25°C, final temperature as 37°C , we have to…

Q: A beaker contained 65.35 g of water at 13.85°C. A 105.41-g sample of metal at 54.71°C was placed in…

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Q: When a 45.0 g sample of an alloy at 100.0°C is dropped into 100.0 g of water at 25.0°C, the final…

A: