Indicate the signs of ASsys, ASsurr and ASuniv for the complete combustion of propane shown below. C3H8(9) +502(g) → 3CO2(g) + 4H₂O(g) AS sys AS surr AS univ

Q: The enthalpy term, AH, will be + if the sum of the bond strengths of the bonds broken is greater…

A: As per Bartleby answering guidelines we have to solve only the first questions of multiple…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 378.0 mg sample…

A: mass = 378.0mg = 0.378g Initial Temperature = 30.4oC Final Temperature = 43.1oC Heat required = 20.1…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 129.0 mg sample…

A: Mass of sample = m = 129 mg = 0.129 g Initial temperature = T1 = - 9.6°C Final temperature = T2 =…

Q: A chemist carefully measures the amount of heat needed raise the temperature of a 488.0 g sample of…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.97 kg sample…

A: We know that heat involved and specific heat capacity of a system are related by the equation- ∆H =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 333.0 g sample…

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Q: A typical candy bar weighs about 2 oz (1.00 oz = 28.4 g).(a) Assuming that a candy bar is 100% sugar…

A: a.) Given: Weight of candy bar is 2 oz. 1.0 g sugar is equivalent to 4.0 calorie energy.…

Q: Which of the following statement is incorrect? Select all the incorrect statements, wrong choices…

A: Some statements from thermodynamics is given. We need to find the incorrect statement from the given…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.97 kg sample…

A: Amount of heat,Q required to change the temperature of a substance of mass ,m and specific heat…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 569.0g sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 590.0 g sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 562.0g sample…

A:

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: Solution: Enthalpy is a thermodynamic function which is used to predict the spontaneity of a…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.03kg sample…

A: We have to calculate the specific heat capacity of the substance

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 748.0 mg sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 671.0 mg sample…

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Q: hemist carefully measures the amount of heat needed to raise the temperature of a 886.0 mg sample of…

A: Specific heat capacity is amount of heat needed to increase one gram of substance by one degree

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.00 kg sample…

A: Given,  Mass of the substance in kg = 1.00 kg  Initial temperature = Ti = 54.4 0C  Final temperature…

Q: Calculate the energy required to heat 861.0 g of aluminum from-1.2 °C to 6.9 °C. Assume the specific…

A: Specific heat capacity is amount of heat required to raise the temperature of one gram of substance…

Q: Calculate the energy required to heat 1.80 kg of mercury from -3.3 °C to 17.6 °C. Assume the…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.82 kg sample…

A: Answer: Whenever a substance absorbs the heat, its temperature rises but the magnitude of that…

Q: What can the chemist report for the specific heat capacity of the substance?

A:

Q: You will find the final temperature when 5.00 grams of aluminum at 425℃ is placed in 50.0 grams of…

A: We know that  From the law of heat exchange Heat lost by substance= Heat gained by another substance…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 631.0 g sample…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a  338.0mg…

A: The mass of the pure substance in kilogram can be written as 338.0 × 10-6 kg. The specific heat…

Q: is part 1 positive, negative, or zero?

A: Part 1: Given that, the reaction is XeF4 (g) →Xe (g) + 2F2 (g). We have to tell entropy change (∆S)…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 823.0g sample…

A: Given;

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 677.0 g sample…

A: When we heat a substance the temperature of the substance increases. The required amount of heat to…

Q: 4. What speed must a 250.0 kg motorcycle be travelling at to have a kinetic energy of 2.8 x 10* J?

A: We nees to find the speed of motorcycle if, kinetic energy = 2.8×104 J and, mass = 250.0 kg

Q: he specific heat capacity o

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Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Here, we need to calculate the value of specific heat of tin. Specific heat formula is used to…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 339.0 g sample…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 744.0 mg sample…

A: mass = 744mg = 0.744g Initial Temperature = -7.8oC Final Temeprature = 12.8oC Heat = 3.60J

Q: CASO4 (s) is a and would therefore require a solution to shift the relevant equilibrium to the…

A: There are some salts which are completely soluble in water , that will form solution.  There are…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 506.0 g sample…

A: Given  Mass (m)= 506.0 g  Initial temperature (Ti) = -2.4 °C Final temperature (Tf) = 21.6 °C Heat…

Q: The specific heat capacity of solid iodine is 0.427 J/g⋅⋅oC.  Calculate the final temperature (°C)…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.57 kg sample…

A: Amount of heat,Q required to increase the temperature of a substance of mass ,m and specific heat…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.37kg sample…

A: Mass of the sample is 0.37 kg and the temperature is raised from – 1.2 oC to 14.5 oC. The heat…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 799.0 mg sample…

A: