Calculate the heat of reaction (in J).     qrxn = ×10 J Enter your answer in scientific notation.

Q: When 151.0 mL of water at 26.0°C is mixed with 46.0 mL of water at 85.0°C, what is the final…

A: Aplly calorimetry principle Q= mc∆T  Heat flow from high Temperature to low temperature.

Q: 1.00 kg of Cu at 42 degrees Celcius is placed into 100. g of water at 15.0 degrees Celcius. The…

A: Loss of heat by the metal = Gain of heat by the water.

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: 12.755 g of a mental initially at 99.0 degrees C are placed into 75.0 g of water initially at 23…

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: A 18.32 g piece of metal absorbs 86.73 J of heat while rising from 28.01°C to 50.52°C. Calculate the…

A: Specific heat :-  The amount of heat required to rise the temperature of one gram of a substance…

Q: In the laboratory a student finds that it takes 65.3 Joules to increase the temperature of 11.7…

A: We can determine the specific heat of metal from the given formula : q = m × C × (Tfinal - Tinitial)…

Q: A 57.3 g sample metal with a specific heat of 0.421 J/g °C is heated using 1393 J of energy. By what…

A: The amount of heat (Q) absorbed or lost by the body to raise or decline the temperature of the body…

Q: A 131.9 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A: Mass of Cu = 131.9 g = MCuSpecific heat of Cu = CCu = 0.38 J/g°CIntial temperature of Cu = TcMass of…

Q: A 135.1 g piece of copper (specific heat 0.380 J/g･ °C) is heated and then placed into 400.0 g of…

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Q: 1) What is the specific heat capacity of a substance if 55.00 grams of this substance absorbs 198…

A: In thermodynamics specific heat capacity of sabstance is equal to the amount of energy required to…

Q: A 89.5 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A:

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 19.0 gram sample of iron is initially at 414.0 °C. It loses 192.0 J of heat to its surroundings.…

A:

Q: A 93.1 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A: Q=M S ∆T  Q=heat M=mass S=specific heat ∆T=change in temperature

Q: An amount of food is burned and releases 3600.0 of calories of energy. What mass of water can be…

A: The energy released by the burning of the food is = 3600.0 calories The change in the temperature of…

Q: A sample of iron absorbs 77.8 J of heat, upon which the temperature of the sample increases from…

A: Formula, Q = MSΔT

Q: A 147.5 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: A 101.9 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A: Given Mass of cu = 101.9 g Mass of water = 400 g Initial temperature of water = 20.7 oC Final…

Q: A 87.9 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A: Please find the solution in image attached below.

Q: A chemical substance has a specific heat of 0.897 J/g-ºC. If an unknown mass of this substance is…

A: Answer:- This question is answered by using the simple concept of calculation of heat using the…

Q: 2. When 39.0 grams of silver are cooled from 80.0°C to 63.0°C, 159 joules of heat are released.…

A: Specific heat:The amount of heat required to increases the temperature of the 1 g of the substance…

Q: An iron nail with a mass of 12g absorbs 17 J of heat. If the nail was initially at 30 °C, what is…

A:

Q: The specific heat of a certain type of metal is 0.128 J/(g*c). What is the final tempature if 305J…

A:

Q: A 122.7 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A: The mass of copper added to 400.0 g of water is 122.7 g. The initial and final temperature of water…

Q: How much heat in joules is needed to raise the temperature of 1.0 L of water from 0 Celsius to 100…

A:

Q: If 701 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A:

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g•°C) that…

A: Given,  specific heat = 0.450 J/g.oC heat = 801 J , mass = ? , ∆T= 120°C - 22.5°C = 97.5°C

Q: A 145.9 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A: Mass of water(m1) = 400.0 g Change in Temperature (ΔT1) = 22.2-20.7 °C = 1.5 °C Mass of Copper (m2)…

Q: A 489.9 gram sample of aluminum is initially at 25.7 C. It absorbs 38.27 kJ of heat from its…

A:

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.45 J/g･°C) that…

A: Q = heat =801 J ΔT = change in temperature = (120 - 22.5) = 97.5 oC c = Specific heat = 0.45 J/goC…

Q: Suppose you mix 23.1 g of water at 80.3°C with 44.8 g of water at 25.4°C in an insulated cup. What…

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Q: 50.00 grams of water in a calorimeter at 22.9 degrees Celsius. At equilibrium the temperature of the…

A: Initial temperature of water (T1) = 22.9 °C Final temperature of water T2= 37.6 °C So, Change in…

Q: Using the following reactions, calculate the heat of the first reaction. Note: all three enthalpies…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: AH = m c AT 1. Zinc at 50 °C was heated to 100°C. A total of 4,000 J of heat were added to make this…

A: given values are- ∆H = heat =  4000 J c = specific heat = 0.40 J/g 0 C ∆T = change in temp= final…

Q: 20.0 g of an unknown metal receives 1,405 joules of heat and experiences a temperature increase of…

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Q: Suppose you heat a metal object with a massive 31.6 G to 95.5 C and transfer it to a calorimeter…

A: Given : Mass of water = 100.0 g Mass of metal = 31.6 g Initial temperature of water = 17.8 oC Final…

Q: A 133.5 g piece of copper (specific heat 0.380 J/g･ °C) is heated and then placed into 400.0 g of…

A: FINAL ANSWER:The initial temperature of Copper was 71.68 0C. The detailed solution is given below.…

Q: what is the mass in grams of iron

A:

Q: ,11) [References) Use the References to access important values if needed for this question. In the…

A:

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A: Given data : Heat (q) = 801 J Specific heat (C) = 0.450 J/g.°C Initial temperature (Ti) = 22.5 °C…

Q: If 701 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A:

Q: 227.9 Joules of heat are added to 25.96 grams of a liquid, raising the temperature of the liquid…

A: Heat added= Cp*m*∆T  Cp specific heat capacity  m is mass  ∆T change in temperature

Q: aluminum metal has a specific heat of 0.901 j/g*c. How much heat is transferred to a 6.75 g peice of…

A: Given,Mass of aluminium = 6.75gInitial temperature = 20 degree CelsiusFinal temperature = 100 degree…

Q: The specific heat of toluene, C7H8, is 1.13 J/g-K. How many joules of heat are needed to raise the…

A: Given :-  Specific heat of toluene = 1.13 J/g.K  Mass of toluene = 40.0 g  Initial temperature =…