1- What is the approximate specific heat in J/(goC) of a metal whose M.W. is 67.3...
1- What is the approximate specific heat in J/(goC) of a metal whose M.W. is 67.3 g/mol?
2-Under certain condition for the reaction A → B, ΔH = -10.2 kJ and ΔS = -38 J/K. At what temperature in K is the reaction at equilibrium?
PLEASE do both
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1- What is the approximate specific heat in J/(goC)
of a metal whose M.W. is 67.3...
1.) The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the...
1.) The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the final temperature if 305J of heat is added to 41.7 g of this metal, initially at 20.0 ∘C? 2.) When 1723 J of heat energy is added to 42.3 g of hexane, C6H14, the temperature increases by 18.0 ∘C. Calculate the molar heat capacity of C6H14 3.) Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are...
A metal sample weighing 42.6 g and at a temperature of 100.0 oC was placed in...
A metal sample weighing 42.6 g and at a temperature of 100.0 oC was placed in 40.6 g of water at 24.8oC. At equilibrium the final temperature of the water and metal was 35.0oC. a. What was the change in temperature for the water? oC b. What was the temperature change for the metal? oC c. Taking the specific heat of water to be 4.184J/goC,caculate the specific heat of the metal. J/goC d. What is the approximate molar mass of...
1. How much heat is needed to raise the temperature of 1.50 g of aluminum metal from...
1. How much heat is needed to raise the temperature of 1.50 g of aluminum metal from 23.2 °C to 30.5 °C? (Specific heat capacity of aluminum is 0.90 J/g-K). 2. Given the following thermochemical equation: DH = -1107 kJ How many kJ of heat are released when 15.75 g of Ba(s) reacts completely with oxygen to form BaO(s)? 3. Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.25 g naphthalene is burned in a bomb calorimeter, the temperature rises from 25.25...
If the specific heat capacity of a metal is 0.352 J/g*C - what is the approximate molar mass of the metal?
If the specific heat capacity of a metal is 0.352 J/g*C - what is the approximate molar mass of the metal?
The specific heat of copper is 0.385 J/(g∙°C). If 34.2 g of copper, initially at 25°C, absorbs 4.689 kJ, what will be t...
The specific heat of copper is 0.385 J/(g∙°C). If 34.2 g of copper, initially at 25°C, absorbs 4.689 kJ, what will be the final temperature of the copper? a. 25.4°C b. 27.8°C c. 356°C d. 381°C A chemical reaction causes the temperature of 1.0 x 102 g of water in a calorimeter to rise from 25°C to 40°C. The specific heat of water is 4.184 J/(g∙°C). What is the heat of reaction, qP? a. -0.31 kJ b. -0.75 kJ c....
The specific heat of copper is 0.385 J/(g∙°C). If 34.2 g of copper, initially at 25°C, absorbs 4.689 kJ, what will be t...
The specific heat of copper is 0.385 J/(g∙°C). If 34.2 g of copper, initially at 25°C, absorbs 4.689 kJ, what will be the final temperature of the copper? a. 25.4°C b. 27.8°C c. 356°C d. 381°C A chemical reaction causes the temperature of 1.0 x 102 g of water in a calorimeter to rise from 25°C to 40°C. The specific heat of water is 4.184 J/(g∙°C). What is the heat of reaction, qP? a. -0.31 kJ b. -0.75 kJ c....
What is the specific heat (J/g•°C) of a metal object whose temperature increases from 82°C to...
What is the specific heat (J/g•°C) of a metal object whose temperature increases from 82°C to 147°C when 15.2 g of metal was heated with 45.0 J? Jlg. *C
An 78.5 g piece of metal whose T = 63.00 oC is placed in a coffee cup calorimeter containing 125 g water. &n...
An 78.5 g piece of metal whose T = 63.00 oC is placed in a coffee cup calorimeter containing 125 g water. When the system reaches equilibrium, the water has changed from 20.00 oC to 24.00 oC. What is specific heat of metal? An 88.5 g piece of metal whose T = 78.8 oC is placed in a coffee cup calorimeter containing 244 g water. When the system reaches equilibrium, the water has changed from 18.80 oC to 200 oC....
Heat Flow and Calorimetry Prelab Questions Section: Name: 1. Prepare for It! Prelab Question A A...
Heat Flow and Calorimetry Prelab Questions Section: Name: 1. Prepare for It! Prelab Question A A 235.0 g sample of metal is heated to 100.0C and poured into a calorimeter containing 50.0 g of water at 20.5°c. The equilibrium temperature of the water and metal is 30.5 C. Using the specific heat of water, 4.18 J/goC, determine the specific heat of the metal from equation 3. Use equation 5 to find the approximate molar mass of the metal. Show your...
The specific heat of a certain type of metal is 0.128 J/(g. C) what is the...
The specific heat of a certain type of metal is 0.128 J/(g. C) what is the final temperature if 305 J of heat is added to 39.8 g of this metal, initially 20.0 degrees C?
What is the specific heat (J/g•°C) of a metal object whose temperature increases from 82°C to 147°C when 15.2 g of metal was heated with 45.0 J? Jlg. *C
Heat Flow and Calorimetry Prelab Questions Section: Name: 1. Prepare for It! Prelab Question A A 235.0 g sample of metal is heated to 100.0C and poured into a calorimeter containing 50.0 g of water at 20.5°c. The equilibrium temperature of the water and metal is 30.5 C. Using the specific heat of water, 4.18 J/goC, determine the specific heat of the metal from equation 3. Use equation 5 to find the approximate molar mass of the metal. Show your...
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