When a metal at a higher temperature is transferred to water at a lower temperature, heat is inevitably lost to the calorimeter. How does this heat loss change the value of the calculated specific heat compared to the actual specific heat?

Q: A sample of metal weighing 9.323 g was heated to 99.15 °C. It was then placed in a calorimeter…

A: Given data, The mass of water = 35.5 g The mass of metal = 9.323 g The initial temperature of  H2O =…

Q: A substance increases in temperature by 255°C when a 983g sample of it absorbs 83,200J of heat.…

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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: In your own words, describe the concept of specific heat capacity and the effects that it has on…

A: Specific heat capacity refers to the required amount of heat energy for raising the temperature of…

Q: A 1.69 gram sample is heated to an initial temperature of 75 oC. The sample is then placed in a…

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Q: A calorimeter is used to measure the heat absorbed or released in a chemical .1 or physical process…

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Q: A calorimeter is used to measure the heat transferred between objects or in a chemical or physical…

A: ASSUMPTIONS IN CALORIMETRY : 1. no heat is transferred between the calorimeter and the outside…

Q: What mass of methane must be burned to release 185 kJ of heat?

A: Given , CH4(g) +2O2(g) →CO2(g) +2H2O(g)      ∆Hrxn=-890 kJmol

Q: If you know the specific heat of copper, what additional information do you need to calculate the…

A: The heat required to raise the temperature of a substance by one degree Celsius is said to be Heat…

Q: Explain why a calorimeter value can different from expected caloric content in different foods.

A: A calorimeter is a device that measures the change in energy in the form of heat.

Q: Calculation of Calories per Mass of Food   Quantity Mass of can (g) 12.623 mass of can and water (g)…

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Q: A system releases 689 kJ of heat and does 105 kJ of work on the surroundings. ▾ Part A What is the…

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Q: If two objects, A and B, of different temperature come into direct contact, what is the relationship…

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Q: How much heat is released when 1.4 mol of hydrogen fluoride are produced

A: H2(g) + F2(g) = 2HF(g) ∆H= -536 kJ/mol

Q: How can chemical potential energy be related to the heat lost or gained in chemical reactions?

A: Exothermic reactions are those in which heat is released and endothermic reaction are those in which…

Q: If 100 mL of water instead of 50 mL of water was used, how would the final temperature change? How…

A: Specific heat change is the amount of heat required to increase the temperature of 1 gram of…

Q: why is a measured amount of water needed to determine the specific heat of a metal object?

A: In order to determine the heat capacity of the metal, use the formula: Heat lost by the metal =heat…

Q: Quantity Mass of can (g) 12.695 mass of can and water (g) 125.129 Initial mass of food sample (g)…

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Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food.  When…

A: Mass of water = 200ml  Initial temperature = 25oC Specific Heat Capacity =  4.18 J/g.oC Heat = 669J…

Q: Aluminum has a specific heat of 0.902 J/goC. How much heat is gained when a piece of aluminum with a…

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Q: Once CS2 (carbon disulfide) is formed from its elements, heat is then absorbed.  How much heat would…

A: Given that When 1 mole of CS2 is formed from its constituents elements, heat energy equal to 89.3…

Q: How many grams of water would require 2200 joules of heat to raise its temperature from 34°C to…

A: q = mc∆T   q = heat energy  m = mass of water  c = specific heat of water  ∆T = change in…

Q: Describe how you could determine the specific heat of a sample of a solid substance

A: Specific heat calculated experimentally  by bomb calorimeter.

Q: determine and compare the quantity of heat energy released in three exothermic chemical reactions.

A: Exothermic reactions are the reactions in which heat is evolved in products that is energy is…

Q: The answer to this question is a numerical answer. Please report the numerical answer to 1 decimal…

A: Given:  The volume of HCl is 50.0 mL. The volume of NaOH is 31.8 mL. The molarity of HCl is 0.100 M.…

Q: Specific Heat Capacity A 24.5-g sample of an unknown metal is heated to 97.5°C and is placed in a…

A: Given that: Mass of metal = 24.5 g  Initial temperature of metal = 97.5°C Mass of water = 164 g…

Q: A 120 gram sample of gold absorbs absorbs 1.2 kJ of heat. How many much does the temperature of the…

A: Given: Mass of the sample= 120 g Heat absorbed= 1.2 kJ Specific heat capacity of gold= 0.129 To…

Q: When thermal energy is transferred from the system to its surroundings, heat (q) is:

A: When thermal energy is transferred from the system to its surroundings, heat (q) is negative  It is…

Q: Under what conditions does the enthalpy change equal the heat of a process

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Q: The specific heat capacities for several substances are shown in the table. Substance Specific Heat…

A: Given :-  Substance          specific heat (J/g°C)  Iron                        0.45 Air…

Q: What is specific heat? Write the specific heat of water. What is the standard enthalpy?

A: Specific heat and standard enthalpy are related to the concept of thermodynamics. Heat is also known…

Q: A 1.00g sample of octane is burned in a calorimeter that contains 1.20kg of water. The temperature…

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Q: A 116.21gram sample of gold is initially at 120.2°C. It loses 0.393kJ of heat to its surroundings.…

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Q: If the calorimetry experiment was used to measure the heat of reaction for an endothermic process,…

A: In an endothermic reaction, the energy is required to make the reaction spontaneous, so, the heat is…

Q: When 36 g of a metal at 89 C is added to 48 g of water at 27 C, the temperature of the water rises…

A: specific heat (Q) =m x S x  ΔT MASS =m SPECIFIC HEAT =S CHANGE IN TEMPERATURE=ΔT

Q: What is the resulting temperature in celsius when 35 g of water at 75 degrees celsius is mixed with…

A: Given, 35 g of water at 75 degrees celsius is mixed with 15 g of waterat 15 degrees celsius.The…

Q: For an exothermic reaction, how is the measured temperature change affected if some of the heat…

A: Consider that an exothermic reaction is taking place inside a calorimeter with water as its…

Q: A 29.00 g sample of metal alloy is heated to 92.6 °C; then placed in 55.23 g of water in an…

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Q: Which of the following will ALWAYS result in an endothermic process?

A: Endothermic reactions are the chemical reactions which proceed with the absorption of heat energy…

Q: Which of the following is NOT true about Hess's Law? A. If an equation is reversed, the sign of…

A: The Hess's law the total enthalpy change of a complete chemical reaction is the same regardless of…

Q: What thermochemical processes are observed every day? 2. How is heat related to changes in…

A: 1. What thermochemical processes are observed every day?2. How is heat related to changes in…

Q: When the same amount of heat is applied to both, which will heat up to a higher temperature—a given…

A: Heat capacity defines the capacity of a  substance  to heat store . Comparison of water+steel and…

Q: A 21 gram piece of metal at 125 oC is dropped into 87 grams of water at 17 oC. The water temperature…

A: Heat gain by water = heat lost by metal (-ve)

Q: A piece of metal with a specific heat of 1.011 J/gºC is heated to 123.1ºC and then placed in 111.031…

A: Use calorimetry principle to get answer. Heat flow from high temperature to low temperature. Metal…

Q: What is heat? How does heat differ from thermal energy? Under what condition is heat transferred…

A: Heat: Heat is a form of energy that is transferred from one body to another because of difference in…

Q: A 4.8 sample of water starting 56 C loses 448 J of energy in the form of heat. What is the final…

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Q: The temperature of a sample of water increases from 20C to 46.6C as it absorbs 5650J of heat. What…

A: It is given that the temperature of water increases from an initial temperature of 20°C to a final…