An iron nail with a mass of 12 gg absorbs 16 JJ of heat.  If the nail was initially at 24 ∘C∘C, what is its final temperature?

Q: In the laboratory a "coffee cup" calorimeter, constant pressure calorimeter, is frequently used to…

A: Given :The calorimeter and cold water are in equilibrium.calculate the specific heat of Mg.Heat…

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Q: For the reaction, N2(g) + 2 O2(g) ➞ 2 NO2(g) , the enthalpy change is 33.9 kJ/mole of NO2 formed.…

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Q: A 50.0 g sample of scandium, Sc, is heated by exposure to 1.50 x 10J. The temperature of the Sc is…

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A: Given : Mass of hot water = 63.4 g Mass of cold water = 38.5 g Temperature of hot water = 84.2 oC…

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Q: solid, or to measure the energy of a solution phase reaction. A student heats 65.30 grams of gold to…

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Q: The specific heat capacity of scandium is 0.567 J/g °C. How many joules are given off when 81.53g of…

A: Given  Mass of scandium = 81.53 gram  Initial Temperature ( T1 )   = 574.2 ℃ Final Temperature ( T2…

Q: a 72.2g piece of metal at 84.0 C is placed in 137g of water at 21.0C contained in a calorimeter. the…

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Q: A piece of aluminum with a mass of 23.5 grams at a temperature of 0.0°C is dropped into an insulated…

A: Mass of Aluminium = 23.5 Final temperature = 87.2°C

Q: 8.0 g sample of iron was heated from 0℃ to 50℃. It absorbed 55.2 J of energy. What is the specific…

A: Answer

Q: Baked pizza dough has a heat capacity of 2.1 J/g C pizza sauce, which is mostly water, had a heat…

A: The objective of the question is to understand the concept of heat capacity and how it affects the…

Q: 8. The caloric content of some pasta (listed on the side of the box of pasta!) is 4.000 kcal per…

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Q: A piece of metal weighing 59.047 g was heated to 100.0°C. This metal is placed in 100.0 g of water…

A: The heat of the substance is arisen due to a change in the temperature of the system. The heat of…

Q: What is the final temperature when 77.4 g of water at 72.7°C is mixed with 28.1 g of water at…

A: Given: Mass of water at 72.7°C= 77.4 g Mass of water at 32.7°C= 28.1 g

Q: A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat. Given the specific heat of lead…

A: The change in temperature of the lead ball can be calculated by equation (1). where q is the heat…

Q: (a) Make a graph of this data. Be sure to make a high quality, easy-to-plot, easy-to-read graph.…

A: The given data is- Time (min) Temperature (°C) 1 25.4 2 25.4 3 25.3 4 25.3 5 25.3 6…

Q: How many litres of C6H14(I), measured at 20 C, must be burned to provide enough heat to warm 25.3 m3…

A: Given ,Objective :

Q: Calculate the energy in joules to heat a cube of aluminum with a volume of 12.0 cm^3 from 15 Celsius…

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Q: Calculate the energy required to heat 591.0 mg of mercury from -7.8 °C to -2.3 °C. Assume the…

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Q: Given: 4 NH3 (g) + 3 O2 (g) → 2 N2 (g) + 6 H2O (l) ΔH = -1500 kJ How many grams of ammonia (MM =…

A: As per the given balanced chemical equation, 4 moles of ammonia react to release 1500 kJ of heat.

Q: A sample of water absorbs 3.00 × 103 J of heat energy and its temperature rises from 20.0 oC to 31.2…

A: The temperature change of water is determined as given below,

Q: Calculate the energy, in joules, to heat a cube of gold with a volume in of 12.0cm^3 from 15 Celsius…

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Q: Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of…

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Q: A 1.61−g peanut is burned in a bomb calorimeter containing 1,000 g of water. The temperature of the…

A: Heat given = heat taken Heat absorbed by water (Q) = m . s . (T2-T1) Given that: m = mass of water =…

Q: A cube of brass, 2cm on a side. It is heated until the temperature is 75 C. The cube is then quickly…

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Q: a system has 63.5 J of heat added to it, and the system does 75.5 J of work on its surroundings,…

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Q: A student heats 63.74 grams of nickel to 98.87 degree celcius and then drops it into a cup…

A: heat capacity formula : Q =m*c*△T Q = heat energy m = mass  c = specific heat capacity  △T =…

Q: When 2.0 mole of ZnO(s) decomposes to Zn(s) and O2 (g), the Δ H = 696 kJ of heat energy. What does…

A: Reaction involved:-  2ZnO(s) = 2Zn(s) + O2 (g)  ∆H = 696 kJ

Q: For the combustion of methane(CH4)   CH4 (g)  + 2 O2 (g)  -->  CO2 (g) + 2H2O (g)       Δ H = -882…

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Q: What minimum mass of CH4 is required to heat 80.00g of water by 30.00 degrees Celcius. Assume 100%…

A: Natural gas burns in air to form carbon dioxide and water along with heat.

Q: propane (C:H8) produces 2220 kJ of = consumed. What mass in grams of eat 55.0 gal of bathtub water…

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Q: A 15.0-mL sample of benzene at 21.0 °C was cooled to its melting point, 5.5 °C, and then frozen. How…

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Q: A chemist measures the energy change AH during the following reaction: 2 Fe,O3(s) → 4 FeO(s)+O2(g)…

A: Exothermic reaction: If the energy is released in the reaction. Endothermic reaction: If the energy…

Q: A 55.0g sample of metal z requires 675j of energy to heat it from 25.0 to 118.0 Celsius? Calculate…

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Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: This question is based on heat capacity