Homework Answers
a)
Q = C * delta T
18150 J = C * 55.0 oC
C = 330 J/oC
Answer: 330 J/oC
b)
C = m*c
330 J/oC = 800 g * c
c = 0.4125 J/g.oC
Answer: 0.413 J/g.oC
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Answer ALL questions. Show calculations for full credit. 1. A metallic pan which weighs 800 g...
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Calculations are based on one trial.
To receive full credit, you must SHOW ALL OF YOUR WORK. Answers that do not have complete work shown will be marked as incorrect. Workstation : Part A: Specific Heat of an unknown Metal 1. Unknown number 1326 18.09 8.37 2. Mass of unknown metal 9 3. Mass of empty calorimeter 9 Trial 1 Trial 2 Mass of calorimeter + water 45.23 g g Mass water 36.86 g g Initial Temperature of metal 100...
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Review l Constants Perlo Part A It takes 55.0 J to raise the temperature of an 10.7 g piece of unknown metal from 13.0"C to 24.3 °C. What is the specific heat for the metal? Express your answer with the appropriate units. View Available Hint(s) Learning Goal: To understand the concepts of heat capacity, specific heat, and molar heat capacity Heat capacity, C, is the amount of energy required to raise the temperature of a substance by exactly 1 degree...
ylinder equipped with a piston. The initial volume of the cylinder 2. A fuel is burned in a cylinder equipped with a piston. 0.750 L, and the final volume is 0.990 L. If the piston expanas akan Il volume is 0.990 L. If the piston expands against a constant pressure of 2.35 atm, how much work (in J) is done? (1 L-atm = 101.3 J) Section: Name: Answer ALL questions. Show calculations for full credit. 1. A metallic pan which...
Calculations are based on one trial.
To receive full credit, you must SHOW ALL OF YOUR WORK. Answers that do not have complete work shown will be marked as incorrect. Workstation : Part A: Specific Heat of an unknown Metal 1. Unknown number 1326 18.09 8.37 2. Mass of unknown metal 9 3. Mass of empty calorimeter 9 Trial 1 Trial 2 Mass of calorimeter + water 45.23 g g Mass water 36.86 g g Initial Temperature of metal 100...
1-A metallic Cube weighs 50 gr is heated to 120.0 °C. If this metal cube is put in a calorimeter the contain 40 gr of water at 22.00 °C and after the equilibrium the temperature of the calorimeter is 33.66 °C calculate the amount of heat transferred in joules and specific heat capacity of the metal?
Show your all steps for full credit Answer all questions: 1. An object of mass 1kg is at rest at B at a height of 10m above the ground. 6m Ground: h-0m The object is dropped from B and it touches the ground at A. Using energy conservation principle, neglecting the air resistance or friction forces, (Take g as 9.8 m/s) Calculate a) the potential energy at B b) the kinetic energy at B. c) the mechanical energy at B...
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Show complete calculations for each question. 1. A metal sample weighing 35.0 g and at a temperature of 99.1°C was placed in 50.0 g of water in a calorimeter at 200°C. The calorimeter reached a final temperature of 233°C. a. What was ar,ater. (T,inal-T,nitial) b. What was Δ7,etal. c. How much heat flowed into the water? d. Calculate the specific heat capacity of the metal. J/(g·°C) oC C(water) = 4.18 J/(g·°C) e. What is the approximate molar mass of the...
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