If 105 cal are added to 48.2 g of solid iron, what is the change in temperature of th AT =

Q: موفیز فور يو مشاهد. . . Question 4 of 12 What quantity of heat (in kJ) will be released (AH) if…

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Q: How much heat is required to warm 1.70 kg of sand from 24.0 ∘C to 100.0 ∘C?

A: The amount of heat required to increase the temperature of sand is numerically expressed as ms∆T…

Q: How many moles of KClO₃ solid must be reacted according to the following balanced chemical reaction…

A: The objective of the question is to calculate the the moles of  reacted to transfer  of heat.

Q: A knowm amount of heat is transferred to a sample of aluminum and the aluminum raises its…

A: Heat transferred can be calculated using the following equation,

Q: How much heat ( in joules) does it take to heat 45.0 g of 23.0 C water until it is steam at 112.0 C?

A: Answer: Heat (in joule) = 117319.5 J

Q: If 41,200 J of energy is required to raise the temperature of 120.0 g of a liquid by +73.4 °C, what…

A: In this question, we will determine the specific heat of the Solution.  You can see details step by…

Q: 479.1 g sample of silicon dioxide undergoes a temperature change of -87.43 K while releasing 29447…

A: Heat absorbed/released, q = mCs∆T  m = mass of substance Cs = specific heat capacity of substance ∆T…

Q: When one mole of C6H6C6H6 is burned, 3.27 MJ3.27 MJ of heat is produced. When the heat from burning…

A: Given : burning 1 mole of C6H6 produces heat = 3.27 MJ = 3.27 X 106 J…

Q: You assumed the inital temperature of the metal was the same as that of the boiling water. If the…

A: the initial temperature of the metal was the same as that of the boiling water. If the metal sample…

Q: A 35.17 g35.17 g sample of a substance is initially at 24.4 ∘C.24.4⁢ ∘C. After absorbing 2097 J2097…

A: Given  mass (m) = 35.17g heat (q) = 2097 J T1 = 24.4°C T2 = 137.9°C

Q: How much energy (in kJ) is released when 20.00

A: Amount of heat energy released or absorbed during a chemical reaction is called " heat of…

Q: Please determine the enthalpy (in kJ/mol) of the balanced thermochemical equation when 2.15 g of…

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Q: The amount of heat (q) gained or lost by a substance (with mass m) as its temperature changes (A7)…

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Q: When ammonia reacts with dinitrogen oxide gas (ΔHf° = 82.05 kJ/mol), liquid water and nitrogen gas…

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Q: How much heat is required to warm 1.50 kg of sand from 24.0 ∘C to 100.0 ∘C

A: Given: Mass of water = 1.5 kg = 1500 g Initial temperature (T1) = 24°C  Final temperature (T2) =…

Q: Use Hess’s Law to determineDH for the reaction     C3H4 (g)  +  2 H2 (g) ®  C3H8 (g),  given that…

A: When a chemical reaction occur, some bonds are broken and some are formed.This leads to an energy…

Q: Given the following thermochemical equations, 4NH3(g) + 702(g) → 4NO2(g) + 6H2O(g) 6NO2(g) + 8NH3(g)…

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

Q: What is the final temperature when 5.0 g sample of brass initially at 25 degrees celsius absorbs 75…

A: Heat  is defined as thermal energy transferred between two systems at different temperatures coming…

Q: Metal Specific Heat (J/goC) Calcium 0.647 Iron 0.449 Silver 0.235 Gold 0.129 In joules,…

A: Given, mass of silver = 26.0 g Initial temperature , T1=198 °C Final temperature, T2=122 °C

Q: substance is initially at 20.3 ∘C.20.3 ∘C. After absorbing 2063 J2063 J of heat, the temperature of…

A: Heat of reaction is difference of energy of product  and energy of Reactant. If heat of reaction is…

Q: Calculate the change in temperatue in  °C when 5.5 grams water absorbs 110 calories.  The For water…

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Q: A 31.72 g31.72 g sample of a substance is initially at 21.0 °C.21.0 °C. After absorbing 1895 J1895 J…

A: The amount of heat energy required is related to specific heat capacity as,…

Q: .The specific heat of ethyl alcohol is 2.45J / g°C and that of silver is 0.235J/g°c. Therefore,…

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Q: When one mole of C6H6C6⁢H6 is burned, 3.27 MJ3.27 MJ of heat is produced. When the heat from burning…

A: From the given in the question, The number of moles of C6H6 is given by = 1 mole The heat released…

Q: 45.0 g of copper (Cu) at -15.4 oC absorbed 613 J of heat and the final temperature is measured at…

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Q: How does it feels (in your hands) if you touch a container with diathermal walls in which an…

A: Endothermic reaction: The reaction in which energy is absorbed in the form of heat is called…

Q: Specific heat capacity of copper is 0.093cal/g degreed Celcius. Calculate the heat required to…

A: For a particular substance how much heat is required to increase 1deg celcius temperature can be…

Q: Write the thermochemical equation for the following reaction that occur at constant pressure. 1.)…

A: The representation of a chemical equation along with its thermodynamic property i.e. enthalpy change…

Q: If 40.0 kJ of energy is absorbed by 500.0 g of water at 10.0 oC, then what is final temperature of…

A: Q = m . s . (T2-T1)

Q: H8. The enthalpy of vaporization of benzene, C6H6(l) is 33.9 kJ/mol at 298 K. How many liters of…

A: Given

Q: What is the change in heat energy when 3.45 g of gaseous water at 111.0 °C are cooled to 45.0 °C?…

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Q: Calculate the final temperature when 82.4 g cadmium at 412 oC is placed in 185 g water at 20.9 oC

A: Using the equation,

Q: The literature value for the heat of fusion of ice is 6.02 kJ/mole. What is the percent error for…

A: To calculate the percent error for the experimentally determined heat of fusion (ΔHf​), you would…

Q: A sample of gas occupies a volume of 74.8 mL74.8 mL. As it expands, it does 117.4 J117.4 J of work…

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Q: A 36.52 g36.52 g sample of a substance is initially at 21.6 °C.21.6 °C. After absorbing 1505 J1505 J…

A: Given, mass of substance m = 36.52 g amount of heat absorbs q = 1505 J initial temperature T1 = 21.6…