1.30 kg of an unknown substance was heated up using 7,198 cal energy from 46.8 degree celsius to 60.7 degree celsius. what is the specific heat of the substance in 3 sig figs in units of J/g

Q: What is the specific heat of a 88.51 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: 4. A 41.3g piece of metal heated to 93.1°C and dropped into a calorimeter containing 58.3g of water…

A: The given information is: (1) For metal: Mass = 41.3 g Initial temperature (T1)metal = 93.1°C Final…

Q: 3. When 0.050 mol of HCl is reactd with 0.050 mol of NaOH in 50.0 mL of water, the temperature of…

A: The heat of a system can be given as :

Q: If a system absorbs 155 kJ of heat from its surroundings and the system does 53 kJ of work on its…

A:

Q: A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its temperature…

A: In this question, we want to determine the specific heat of the unknown substance.  You can see…

Q: A 10.0 g piece of metal is heated to 80.0 ° C and placed in 100 g of 23 ° C water. When the system…

A: Specific heat of metal = 0.37  J g-1 oC

Q: 307 g sample of an unknown mineral was heated to 98.7 °C and placed into a calorimeter containing…

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Q: An unknown solid substance weighs 227.0 g, and requires 3460 J to increase its temperature from…

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Q: what is the amount of internal energy (in joules) for a system that has performed 1478.714 J of work…

A: The internal energy of a system can be changed in two ways: (i) By allowing heat to flow into the…

Q: If 1495 J of heat is needed to raise the temperature of a 333 g sample of a metal from 55.0°C to…

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Q: rial typically used to heat metal radiators is water. If a 5°C, what mass of water was needed to…

A: Given data set: Specific heat of water = 4.184 J/g C Change in Temperature = 79.5 °C We need to…

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: What is the specific heat of a 76.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Consider the given information is as follows; Mass of unknown metal = 76.01 g Temperature change…

Q: What is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased…

A: The specific heat of a substance is defined as the amount of heat required to raise the temperature…

Q: fa system absorbs 155.0 kJ of heat from its surroundings and the system does 65.0 kJ of work on its…

A: In this question, we want to determine the value of Change in internal energy of the system.  How we…

Q: a system does 72.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change in…

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Q: If a system absorbs 155 kJ of heat from its surroundings and the system does 95 kJ of work on its…

A:

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: thermal energy

A:

Q: What is the specific heat of a 75.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given : Mass of metal = 75.01 g Change in temperature of metal = 45.2 °C And the total heat absorbed…

Q: If 325 g of water at 4.2C absorbs 12.28 kJ, what is the final temperature of the water? The specific…

A:

Q: A 63.5 g sample of an unidentified metal absorbs 355 J of heat when its temperature changes by 4.56…

A: We know the formula for the heat equation of the calorimetry => q = mcΔT where,  q is the amount…

Q: The reaction 3H2(g) + N2(g) → 2NH3(g) has an enthalpy of reaction of -92.6 kJ/mol. If 2 g of…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: If a system does 73.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

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Q: The molar heat of solution (AH,0ln) of sodium hydroxide is -445.1 kJ/mol. In a certain experiment,…

A: Molar heat of solution is defined as the energy released or absorbed per mole of solute being…

Q: Consider the reaction of hydrogen with sulfur to form hydrogen sulfide: 8H₂ (g) + S8 (s) → 8H₂S(g),…

A: The difference in the enthalpy of the products and reactants is known as the enthalpy change of the…

Q: 7. If it takes 105 joules to warm 100 grams of a substance from 20°C to 25°C, what is the specific…

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

Q: Calculate the heat (q) for 195 grams of pure water heated from a temperature of 25.0 °C to 77.5 °C.…

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Q: 11. A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its…

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Q: In the construction of bridges and skyscrapers, gaps must be left between adjoining steel beams to…

A:

Q: In the laboratory a student finds that it takes 62.4 calories to increase the temperature of 15.0…

A: Given :-  Heat absorbed = 62.4 cal  Mass of Mg = 15.0 g  Initial temperature = 20.9 oC  final…

Q: For the following combustion reaction CH₂CH₂CH₂COOH(1) + 50₂(g) → 4CO₂(g) + 4H₂O(g) AH = -2.18 x 10³…

A:

Q: The temperature of an 6.95 g sample of an unknown metal increases from 22.0°C to 31.7°C upon the…

A: The mass of the sample is = 6.95 g Increase in the temperature is = 22.0oC to 31.7oC The required…

Q: A 22.44 g sample of iron absorbs 180.8 J of heat, upon which the temperature of the sample increases…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 442.0 g sample…

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Q: A sample of copper was heated to 120o C and then plunged into an insulated vessel containing 200.g…

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Q: A gas is compressed and during this process the surroundings do 59.5 J of work on the gas. At the…

A: The objective of the question is to calculate the change in the internal energy of the gas. The…

Q: A piece of silver of mass 363 g has a heat capacity of 85.7 J/°C. What is the specific heat of the…

A: Given: The mass of silver piece, (m)=363 g. The heat capacity of silver, (C)=85.7 J/0C

Q: If a system absorbs 155 kJ of heat from its surroundings and the system does 75 kJ of work on its…

A: The first law of thermodynamics:                                                         ∆U = q+w…

Q: What is the specific heat of a 91.51 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given temperature of the piece of metal (T) = 45.2°C  Given mass of the piece of the metal (m) =…

Q: How many degrees of temperature rise will occur when a 25.0 g block of aluminum absorbs 10.0 kJ of…

A: Specific heat (C) :-  The amount of heat required to raise the temperature of 1 gram of a substance…