Homework Answers
tho
formula is
q = 2.50 x 104 J
c= 4.184 J/g.oC
mass = m = 300 g
We are asked to find delta T
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Water has a specific heat of 4.184 j/g-"C. if 300.0 grams of water absorb 2.50 x 10 J of energy, how much will th...
4. Water has a specific heat of 4.184 J/g.°C. If 300.0 grams of water absorb 2.50...
4. Water has a specific heat of 4.184 J/g.°C. If 300.0 grams of water absorb 2.50 x 10") of energy, now much will the temperature change?
3. An engineer tests the thermal properties of a metal alloy. Using a 50.0-gram sample, she...
3. An engineer tests the thermal properties of a metal alloy. Using a 50.0-gram sample, she finds that adding 485 J of heat energy to the alloy causes a temperature change of 4.10°C. What is the specific heat of this alloy? 4. Water has a specific heat of 4.184 J/g °C. If 300.0 grams of water absorb 2.50 x 10*1 of energy, how much will the temperature change?
Specific Heat (more precise) The heat capacity of an object indicates how much energy that object...
Specific Heat (more precise) The heat capacity of an object indicates how much energy that object can absorb for a given increase in that object's temparature. In a system in which two objects of different temperatures come into contact with one another, the warmer object will cool and the cooler object will warm up until the system is at a single equilibrium temperature. Note the difference between the terms molar heat capacity, which has units of J/mol- Degree C, and...
The specific heat of water is 4186 J/kg C. How much does the internal energy of...
The specific heat of water is 4186 J/kg C. How much does the internal energy of 300 grams of water change as it is heated from 23 to 46 degrees C? Assume that the volume is constant. Internal energy change = Number Joules
The heat capacity of an object indicates how much energy that object can absorb for a...
The heat capacity of an object indicates how much energy that object can absorb for a given increase in that object's temperature. In a system in which two objects of different temperatures come into contact with one another, the warmer object will cool and the cooler object will warm up until the system is at a single equilibrium temperature. Note the difference between the terms molar heat capacity, which has units of J/(mol⋅∘C), and specific heat, which has units of...
3) If 28.0 g of water at 26.4 °C gain 5,563 J of heat, what is...
3) If 28.0 g of water at 26.4 °C gain 5,563 J of heat, what is the final temperature of water? (Specific heat of water is 4.184 J/g.°C)) 4) If 46.2 g piece of aluminum is cooled from 84.5 °C to 29.5 °C, how much energy was lost by aluminum? (specific heat of aluminum is 0.901 J/(g.°C)) 5) If 78.6 g piece of iron is dropped into 100.0 g of water initially at 24.6 °C. The final temperature of both...
A piece of metal with a specific heat of 1.29 J/g°C is heated to 126.6°C and...
A piece of metal with a specific heat of 1.29 J/g°C is heated to 126.6°C and then placed in 133.868 g of water which is at a temperature of 10.9 °C. After a minute, the temperature of the water has stopped changing and is now 45.6°C. Assuming that there are no heat losses to the container or surroundings, what is the mass of the piece of metal in grams? Assume that water has a specific heat of 4.184 J/g°C. Enter...
The heat capacity of an object indicates how much energy that object can absorb for a given increase in that object's te...
The heat capacity of an object indicates how much energy that object can absorb for a given increase in that object's temperature. In a system in which two objects of different temperatures come into contact with one another, the warmer object will cool and the cooler object will warm up until the system is at a single equilibrium temperature. Note the difference between the terms molar heat capacity, which has units of J/(mol⋅∘C), and specific heat, which has units of...
A bomb calorimeter has a heat capacity of 675 J/°C and contains 925 g of water
A bomb calorimeter has a heat capacity of 675 J/°C and contains 925 g of water. If the combustion of 0.500 mole of a hydrocarbon increases the temperature of the calorimeter from 24.26°C to 53.88°C, determine the enthalpy change per mole of hydrocarbon. The specific heat of water = 4.184 J g-1 °C-1.Just the answerWhat is the enthalpy change when 175 g of C3H8 are burned in excess O2? C3H8(g) + 5 O2(g) ® 3 CO2(g) + 4 H2O(l) DH°...
A) If 24.67 grams of water showed a temperature increase of 0.85 °C, what is the heat change...
A) If 24.67 grams of water showed a temperature increase of 0.85 °C, what is the heat change for the water in joules? The specific heat capacity of water is 4.184 J/(g⋅°C). B What is the heat change by the metal in Part A in joules? C) If the hot metal in Part A has a mass of 5.57 grams, and the metal underwent a temperature decrease of 18.18 °C, what is the specific heat capacity of the metal object?
4. Water has a specific heat of 4.184 J/g.°C. If 300.0 grams of water absorb 2.50 x 10") of energy, now much will the temperature change?
3. An engineer tests the thermal properties of a metal alloy. Using a 50.0-gram sample, she finds that adding 485 J of heat energy to the alloy causes a temperature change of 4.10°C. What is the specific heat of this alloy? 4. Water has a specific heat of 4.184 J/g °C. If 300.0 grams of water absorb 2.50 x 10*1 of energy, how much will the temperature change?
Specific Heat (more precise) The heat capacity of an object indicates how much energy that object can absorb for a given increase in that object's temparature. In a system in which two objects of different temperatures come into contact with one another, the warmer object will cool and the cooler object will warm up until the system is at a single equilibrium temperature. Note the difference between the terms molar heat capacity, which has units of J/mol- Degree C, and...
The specific heat of water is 4186 J/kg C. How much does the internal energy of 300 grams of water change as it is heated from 23 to 46 degrees C? Assume that the volume is constant. Internal energy change = Number Joules
3) If 28.0 g of water at 26.4 °C gain 5,563 J of heat, what is the final temperature of water? (Specific heat of water is 4.184 J/g.°C)) 4) If 46.2 g piece of aluminum is cooled from 84.5 °C to 29.5 °C, how much energy was lost by aluminum? (specific heat of aluminum is 0.901 J/(g.°C)) 5) If 78.6 g piece of iron is dropped into 100.0 g of water initially at 24.6 °C. The final temperature of both...
A piece of metal with a specific heat of 1.29 J/g°C is heated to 126.6°C and then placed in 133.868 g of water which is at a temperature of 10.9 °C. After a minute, the temperature of the water has stopped changing and is now 45.6°C. Assuming that there are no heat losses to the container or surroundings, what is the mass of the piece of metal in grams? Assume that water has a specific heat of 4.184 J/g°C. Enter...
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